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30525302528 = 28717034209
BaseRepresentation
bin11100011011011100…
…110010011100000000
32220210100202000222022
4130123130302130000
51000003434140103
622004555101012
72130305535050
oct343334623400
986710660868
1030525302528
1111a44812656
125abaa41768
132b56168cb6
141698109560
15bd9cde138
hex71b732700

30525302528 has 36 divisors (see below), whose sum is σ = 69635850480. Its totient is φ = 13082271744.

The previous prime is 30525302513. The next prime is 30525302543. The reversal of 30525302528 is 82520352503.

It is an interprime number because it is at equal distance from previous prime (30525302513) and next prime (30525302543).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8515313 + ... + 8518896.

It is an arithmetic number, because the mean of its divisors is an integer number (1934329180).

Almost surely, 230525302528 is an apocalyptic number.

It is an amenable number.

30525302528 is an abundant number, since it is smaller than the sum of its proper divisors (39110547952).

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

30525302528 is an equidigital number, since it uses as much as digits as its factorization.

30525302528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034232 (or 17034218 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 30525302528 in words is "thirty billion, five hundred twenty-five million, three hundred two thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 17034209 34068418 68136836 119239463 136273672 238478926 272547344 476957852 545094688 953915704 1090189376 1907831408 2180378752 3815662816 4360757504 7631325632 15262651264 30525302528