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30927247475 = 521237089899
BaseRepresentation
bin11100110011011010…
…000101100001110011
32221211101001221210012
4130303122011201303
51001314333404400
622112514125135
72143256160155
oct346332054163
987741057705
1030927247475
1112130696863
125bb15807ab
132bbb50b947
1416d5658ad5
15c10238d35
hex733685873

30927247475 has 6 divisors (see below), whose sum is σ = 38349786900. Its totient is φ = 24741797960.

The previous prime is 30927247457. The next prime is 30927247489. The reversal of 30927247475 is 57474272903.

It is a happy number.

It is not a de Polignac number, because 30927247475 - 26 = 30927247411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618544925 + ... + 618544974.

It is an arithmetic number, because the mean of its divisors is an integer number (6391631150).

Almost surely, 230927247475 is an apocalyptic number.

30927247475 is a deficient number, since it is larger than the sum of its proper divisors (7422539425).

30927247475 is a wasteful number, since it uses less digits than its factorization.

30927247475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237089909 (or 1237089904 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 30927247475 in words is "thirty billion, nine hundred twenty-seven million, two hundred forty-seven thousand, four hundred seventy-five".

Divisors: 1 5 25 1237089899 6185449495 30927247475