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30657374212 = 2279107906701
BaseRepresentation
bin11100100011010100…
…100110100000000100
32221010120020222021011
4130203110212200010
51000241241433322
622030033532004
72133501244513
oct344324464004
987116228234
1030657374212
111200231a003
125b37114004
132b7762b71a
1416ab88867a
15be66cb677
hex723526804

30657374212 has 24 divisors (see below), whose sum is σ = 54837336960. Its totient is φ = 14993191200.

The previous prime is 30657374207. The next prime is 30657374287. The reversal of 30657374212 is 21247375603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419539 + ... + 487162.

It is an arithmetic number, because the mean of its divisors is an integer number (2284889040).

Almost surely, 230657374212 is an apocalyptic number.

It is an amenable number.

30657374212 is a deficient number, since it is larger than the sum of its proper divisors (24179962748).

30657374212 is a wasteful number, since it uses less digits than its factorization.

30657374212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906891 (or 906889 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 30657374212 in words is "thirty billion, six hundred fifty-seven million, three hundred seventy-four thousand, two hundred twelve".

Divisors: 1 2 4 79 107 158 214 316 428 8453 16906 33812 906701 1813402 3626804 71629379 97017007 143258758 194034014 286517516 388068028 7664343553 15328687106 30657374212