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30825775808 = 26481652747
BaseRepresentation
bin11100101101010111…
…000000001011000000
32221120022010122211022
4130231113000023000
51001112344311213
622054451205012
72140614525332
oct345527001300
987508118738
1030825775808
111208938a683
125b835a6768
132ba34a1339
1416c5da3452
15c06393308
hex72d5c02c0

30825775808 has 14 divisors (see below), whose sum is σ = 61169898996. Its totient is φ = 15412887872.

The previous prime is 30825775733. The next prime is 30825775819. The reversal of 30825775808 is 80857752803.

It is a self number, because there is not a number n which added to its sum of digits gives 30825775808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240826310 + ... + 240826437.

Almost surely, 230825775808 is an apocalyptic number.

It is an amenable number.

30825775808 is a deficient number, since it is larger than the sum of its proper divisors (30344123188).

30825775808 is an equidigital number, since it uses as much as digits as its factorization.

30825775808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481652759 (or 481652749 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 30825775808 in words is "thirty billion, eight hundred twenty-five million, seven hundred seventy-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 64 481652747 963305494 1926610988 3853221976 7706443952 15412887904 30825775808