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31004233392 = 2431158720139
BaseRepresentation
bin11100110111111111…
…110000111010110000
32222000201221020121110
4130313333300322300
51001444040432032
622124304153320
72145212430666
oct346777607260
988021836543
1031004233392
1112170099490
126013308840
132c01455142
141701978c36
15c16d947cc
hex737ff0eb0

31004233392 has 40 divisors (see below), whose sum is σ = 87375568320. Its totient is φ = 9395222080.

The previous prime is 31004233373. The next prime is 31004233409. The reversal of 31004233392 is 29333240013.

It is a super-2 number, since 2×310042333922 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29359542 + ... + 29360597.

It is an arithmetic number, because the mean of its divisors is an integer number (2184389208).

Almost surely, 231004233392 is an apocalyptic number.

It is an amenable number.

31004233392 is an abundant number, since it is smaller than the sum of its proper divisors (56371334928).

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

31004233392 is a wasteful number, since it uses less digits than its factorization.

31004233392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58720161 (or 58720155 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

The spelling of 31004233392 in words is "thirty-one billion, four million, two hundred thirty-three thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 58720139 117440278 176160417 234880556 352320834 469761112 645921529 704641668 939522224 1291843058 1409283336 1937764587 2583686116 2818566672 3875529174 5167372232 7751058348 10334744464 15502116696 31004233392