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30757442884 = 2272125272
BaseRepresentation
bin11100101001010010…
…010101010101000100
32221101112112222200021
4130221102111111010
51000442401133014
622044010424524
72136124644100
oct345122252504
987345488607
1030757442884
1112053858093
125b64732144
132b9229755c
1416bac96900
15c00396624
hex729495544

30757442884 has 27 divisors (see below), whose sum is σ = 62618364543. Its totient is φ = 13180708968.

The previous prime is 30757442789. The next prime is 30757442893. The reversal of 30757442884 is 48824475703.

The square root of 30757442884 is 175378.

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

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2449029 + ... + 2461555.

Almost surely, 230757442884 is an apocalyptic number.

30757442884 is the 175378-th square number.

It is an amenable number.

30757442884 is an abundant number, since it is smaller than the sum of its proper divisors (31860921659).

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

30757442884 is an frugal number, since it uses more digits than its factorization.

30757442884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25072 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 30757442884 in words is "thirty billion, seven hundred fifty-seven million, four hundred forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 12527 25054 50108 87689 175378 350756 613823 1227646 2455292 156925729 313851458 627702916 1098480103 2196960206 4393920412 7689360721 15378721442 30757442884