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156400302015030 = 235174214129176417
BaseRepresentation
bin100011100011111011001000…
…011100011100001000110110
3202111202201111221212200001110
4203203323020130130020312
5130444430304303440110
61312345150140335450
744641356166230063
oct4343731034341066
9674681457780043
10156400302015030
1145919aa515a407
121565b514844586
13693663cc8c058
142a89b5a547c6a
1513134e656ba20
hex8e3ec871c236

156400302015030 has 128 divisors (see below), whose sum is σ = 398483550622080. Its totient is φ = 39150464532480.

The previous prime is 156400302014987. The next prime is 156400302015059. The reversal of 156400302015030 is 30510203004651.

It is a super-2 number, since 2×1564003020150302 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 886449382 + ... + 886625798.

It is an arithmetic number, because the mean of its divisors is an integer number (3113152739235).

Almost surely, 2156400302015030 is an apocalyptic number.

156400302015030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156400302015030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199241775311040).

156400302015030 is an abundant number, since it is smaller than the sum of its proper divisors (242083248607050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156400302015030 is a wasteful number, since it uses less digits than its factorization.

156400302015030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180994.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 156400302015030 its reverse (30510203004651), we get a palindrome (186910505019681).

The spelling of 156400302015030 in words is "one hundred fifty-six trillion, four hundred billion, three hundred two million, fifteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 421 510 842 1263 2105 2526 4129 4210 6315 7157 8258 12387 12630 14314 20645 21471 24774 35785 41290 42942 61935 70193 71570 107355 123870 140386 176417 210579 214710 350965 352834 421158 529251 701930 882085 1052895 1058502 1738309 1764170 2105790 2646255 2999089 3476618 5214927 5292510 5998178 8691545 8997267 10429854 14995445 17383090 17994534 26074635 29551253 29990890 44986335 52149270 59102506 74271557 88653759 89972670 147756265 148543114 177307518 222814671 295512530 371357785 443268795 445629342 728425793 742715570 886537590 1114073355 1262616469 1456851586 2185277379 2228146710 2525232938 3642128965 3787849407 4370554758 6313082345 7284257930 7575698814 10926386895 12383238481 12626164690 18939247035 21852773790 24766476962 37149715443 37878494070 61916192405 74299430886 123832384810 185748577215 306667258853 371497154430 613334517706 920001776559 1533336294265 1840003553118 3066672588530 4600008882795 5213343400501 9200017765590 10426686801002 15640030201503 26066717002505 31280060403006 52133434005010 78200151007515 156400302015030