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1020210123030 = 235716377338557
BaseRepresentation
bin11101101100010010100…
…00110001000100010110
310121112100012100001100020
432312021100301010112
5113203342242414110
62100402243330010
7133464520651350
oct16661120610426
93545305301306
101020210123030
1136373a02150a
12145882380906
1375289363317
14375425c80d0
151b810b8ad70
hexed89431116

1020210123030 has 128 divisors (see below), whose sum is σ = 2819173413888. Its totient is φ = 231454444032.

The previous prime is 1020210123011. The next prime is 1020210123071. The reversal of 1020210123030 is 303210120201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26440512 + ... + 26479068.

It is an arithmetic number, because the mean of its divisors is an integer number (22024792296).

Almost surely, 21020210123030 is an apocalyptic number.

1020210123030 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 1020210123030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409586706944).

1020210123030 is an abundant number, since it is smaller than the sum of its proper divisors (1798963290858).

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

1020210123030 is a wasteful number, since it uses less digits than its factorization.

1020210123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39510.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1020210123030 its reverse (303210120201), we get a palindrome (1323420243231).

The spelling of 1020210123030 in words is "one trillion, twenty billion, two hundred ten million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 163 210 326 489 773 815 978 1141 1546 1630 2282 2319 2445 3423 3865 4638 4890 5411 5705 6846 7730 10822 11410 11595 16233 17115 23190 27055 32466 34230 38557 54110 77114 81165 115671 125999 162330 192785 231342 251998 269899 377997 385570 539798 578355 629995 755994 809697 881993 1156710 1259990 1349495 1619394 1763986 1889985 2645979 2698990 3779970 4048485 4409965 5291958 6284791 8096970 8819930 12569582 13229895 18854373 26459790 29804561 31423955 37708746 43993537 59609122 62847910 87987074 89413683 94271865 131980611 149022805 178827366 188543730 208631927 219967685 263961222 298045610 417263854 439935370 447068415 625895781 659903055 894136830 1043159635 1251791562 1319806110 2086319270 3129478905 4858143443 6258957810 9716286886 14574430329 24290717215 29148860658 34007004101 48581434430 68014008202 72872151645 102021012303 145744303290 170035020505 204042024606 340070041010 510105061515 1020210123030