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30895972232 = 233861996529
BaseRepresentation
bin11100110001100010…
…110001111110001000
32221202012020000012212
4130301202301332020
51001233332102412
622105435524252
72142426300536
oct346142617610
987665200185
1030895972232
1112114a75254
125ba2bb9688
132bb4bab398
1416d1437156
15c0c60c222
hex7318b1f88

30895972232 has 8 divisors (see below), whose sum is σ = 57929947950. Its totient is φ = 15447986112.

The previous prime is 30895972201. The next prime is 30895972253. The reversal of 30895972232 is 23227959803.

It can be written as a sum of positive squares in only one way, i.e., 26310786436 + 4585185796 = 162206^2 + 67714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×308959722322 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930998257 + ... + 1930998272.

Almost surely, 230895972232 is an apocalyptic number.

It is an amenable number.

30895972232 is a deficient number, since it is larger than the sum of its proper divisors (27033975718).

30895972232 is a wasteful number, since it uses less digits than its factorization.

30895972232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861996535 (or 3861996531 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 30895972232 in words is "thirty billion, eight hundred ninety-five million, nine hundred seventy-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 3861996529 7723993058 15447986116 30895972232