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101312344404 = 2235531966619
BaseRepresentation
bin101111001011010101…
…1111011000101010100
3100200111122001100100000
41132112223323011110
53124441430010104
6114313043051300
710214420501325
oct1362653730524
9320448040300
10101312344404
1139a6a1a4957
1217775370b30
13972767a3ab
144c9147644c
15297e567639
hex1796afb154

101312344404 has 72 divisors (see below), whose sum is σ = 270591179040. Its totient is φ = 33133580064.

The previous prime is 101312344403. The next prime is 101312344409. The reversal of 101312344404 is 404443213101.

101312344404 is a `hidden beast` number, since 1 + 0 + 1 + 312 + 344 + 4 + 0 + 4 = 666.

It is a super-2 number, since 2×1013123444042 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101312344403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 931794 + ... + 1034825.

It is an arithmetic number, because the mean of its divisors is an integer number (3758210820).

Almost surely, 2101312344404 is an apocalyptic number.

It is an amenable number.

101312344404 is an abundant number, since it is smaller than the sum of its proper divisors (169278834636).

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

101312344404 is a wasteful number, since it uses less digits than its factorization.

101312344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966691 (or 1966677 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 101312344404 its reverse (404443213101), we get a palindrome (505755557505).

The spelling of 101312344404 in words is "one hundred one billion, three hundred twelve million, three hundred forty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 53 54 81 106 108 159 162 212 243 318 324 477 486 636 954 972 1431 1908 2862 4293 5724 8586 12879 17172 25758 51516 1966619 3933238 5899857 7866476 11799714 17699571 23599428 35399142 53098713 70798284 104230807 106197426 159296139 208461614 212394852 312692421 318592278 416923228 477888417 625384842 637184556 938077263 955776834 1250769684 1876154526 1911553668 2814231789 3752309052 5628463578 8442695367 11256927156 16885390734 25328086101 33770781468 50656172202 101312344404