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30297396876 = 22313918163907
BaseRepresentation
bin11100001101110111…
…011001011010001100
32220012110220020012020
4130031313121122030
5444022113200001
621530214210140
72121540424065
oct341567313214
986173806166
1030297396876
11119380aa77a
125a56653950
132b1ab91096
141675b4156c
15bc4cc1736
hex70ddd968c

30297396876 has 24 divisors (see below), whose sum is σ = 71202519360. Its totient is φ = 10026476112.

The previous prime is 30297396869. The next prime is 30297396881. The reversal of 30297396876 is 67869379203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9080286 + ... + 9083621.

It is an arithmetic number, because the mean of its divisors is an integer number (2966771640).

Almost surely, 230297396876 is an apocalyptic number.

It is an amenable number.

30297396876 is an abundant number, since it is smaller than the sum of its proper divisors (40905122484).

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

30297396876 is a wasteful number, since it uses less digits than its factorization.

30297396876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18164053 (or 18164051 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 30297396876 in words is "thirty billion, two hundred ninety-seven million, three hundred ninety-six thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 139 278 417 556 834 1668 18163907 36327814 54491721 72655628 108983442 217966884 2524783073 5049566146 7574349219 10099132292 15148698438 30297396876