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30397216792 = 2317223508947
BaseRepresentation
bin11100010011110100…
…001011100000011000
32220110102201121101011
4130103310023200120
5444223141414132
621544141503304
72124162036205
oct342364134030
986412647334
1030397216792
1111989488978
125a83b71b34
132b35770917
1416850c6cac
15bcd93cb47
hex713d0b818

30397216792 has 16 divisors (see below), whose sum is σ = 60347415960. Its totient is φ = 14304572544.

The previous prime is 30397216789. The next prime is 30397216819. The reversal of 30397216792 is 29761279303.

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, 111754338 + ... + 111754609.

Almost surely, 230397216792 is an apocalyptic number.

It is an amenable number.

30397216792 is a deficient number, since it is larger than the sum of its proper divisors (29950199168).

30397216792 is a wasteful number, since it uses less digits than its factorization.

30397216792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223508970 (or 223508966 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 30397216792 in words is "thirty billion, three hundred ninety-seven million, two hundred sixteen thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 17 34 68 136 223508947 447017894 894035788 1788071576 3799652099 7599304198 15198608396 30397216792