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31104256398 = 235184042733
BaseRepresentation
bin11100111101111101…
…010100100110001110
32222021201010221101020
4130331331110212032
51002200142201043
622142240055010
72150535550155
oct347575244616
988251127336
1031104256398
11122115a6226
126040904466
132c190a6257
141710d7459c
15c20a50e83
hex73df5498e

31104256398 has 8 divisors (see below), whose sum is σ = 62208512808. Its totient is φ = 10368085464.

The previous prime is 31104256273. The next prime is 31104256399. The reversal of 31104256398 is 89365240113.

It is a sphenic number, since it is the product of 3 distinct primes.

31104256398 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104256399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592021361 + ... + 2592021372.

It is an arithmetic number, because the mean of its divisors is an integer number (7776064101).

Almost surely, 231104256398 is an apocalyptic number.

31104256398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31104256398 is a wasteful number, since it uses less digits than its factorization.

31104256398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184042738.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 31104256398 in words is "thirty-one billion, one hundred four million, two hundred fifty-six thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 5184042733 10368085466 15552128199 31104256398