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31232013198 = 235205335533
BaseRepresentation
bin11101000101100100…
…101011001110001110
32222121121112122202120
4131011210223032032
51002430343410243
622203042233410
72153646506031
oct350544531616
988547478676
1031232013198
1112277725861
126077655866
132c396b79a9
141723d0d018
15c2bd89c83
hex74592b38e

31232013198 has 8 divisors (see below), whose sum is σ = 62464026408. Its totient is φ = 10410671064.

The previous prime is 31232013167. The next prime is 31232013203. The reversal of 31232013198 is 89131023213.

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

31232013198 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602667761 + ... + 2602667772.

It is an arithmetic number, because the mean of its divisors is an integer number (7808003301).

Almost surely, 231232013198 is an apocalyptic number.

31232013198 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.

31232013198 is a wasteful number, since it uses less digits than its factorization.

31232013198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205335538.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 31232013198 in words is "thirty-one billion, two hundred thirty-two million, thirteen thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 5205335533 10410671066 15616006599 31232013198