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123103152404432 = 2429275923961531
BaseRepresentation
bin11011111111011000101111…
…101010110111011111010000
3121010212112202100111101112222
4123333120233222313133100
5112113410224003420212
61113452450230240212
734633623606335234
oct3377305752673720
9533775670441488
10123103152404432
1136251832270102
12119822707b6068
13538c7678b1c75
14225831d9425c4
15e372dec2ec72
hex6ff62fab77d0

123103152404432 has 40 divisors (see below), whose sum is σ = 246738072678240. Its totient is φ = 59428830867840.

The previous prime is 123103152404389. The next prime is 123103152404447. The reversal of 123103152404432 is 234404251301321.

It is a super-2 number, since 2×1231031524044322 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123103152404392 and 123103152404401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127547507 + ... + 128509037.

It is an arithmetic number, because the mean of its divisors is an integer number (6168451816956).

Almost surely, 2123103152404432 is an apocalyptic number.

It is an amenable number.

123103152404432 is an abundant number, since it is smaller than the sum of its proper divisors (123634920273808).

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

123103152404432 is a wasteful number, since it uses less digits than its factorization.

123103152404432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237491 (or 1237485 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 123103152404432 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred fifty-two million, four hundred four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 29 58 116 232 464 275923 551846 961531 1103692 1923062 2207384 3846124 4414768 7692248 8001767 15384496 16003534 27884399 32007068 55768798 64014136 111537596 128028272 223075192 446150384 265308518113 530617036226 1061234072452 2122468144904 4244936289808 7693947025277 15387894050554 30775788101108 61551576202216 123103152404432