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31100027904 = 210321121672
BaseRepresentation
bin11100111101101101…
…001100010000000000
32222021102012002222100
4130331231030100000
51002143101343104
622142005310400
72150454606201
oct347555142000
988242162870
1031100027904
111220a178300
12603b405400
132c1825569a
1417105935a8
15c204b8139
hex73db4c400

31100027904 has 297 divisors, whose sum is σ = 99301101991. Its totient is φ = 9367818240.

The previous prime is 31100027899. The next prime is 31100027927. The reversal of 31100027904 is 40972000113.

The square root of 31100027904 is 176352.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 186227629 + ... + 186227795.

Almost surely, 231100027904 is an apocalyptic number.

31100027904 is the 176352-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31100027904

31100027904 is an abundant number, since it is smaller than the sum of its proper divisors (68201074087).

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

31100027904 is a wasteful number, since it uses less digits than its factorization.

31100027904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 31100027904 in words is "thirty-one billion, one hundred million, twenty-seven thousand, nine hundred four".