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30347734945 = 511551776999
BaseRepresentation
bin11100010000110111…
…011010111110100001
32220022222121200001011
4130100313122332201
5444123010004240
621535213140521
72123021330233
oct342067327641
986288550034
1030347734945
1111963561490
125a6b48a741
132b28437318
14167c6c6253
15bc94166ea
hex710ddafa1

30347734945 has 8 divisors (see below), whose sum is σ = 39727944000. Its totient is φ = 22071079920.

The previous prime is 30347734939. The next prime is 30347734957. The reversal of 30347734945 is 54943774303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30347734945 - 25 = 30347734913 is a prime.

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, 275888445 + ... + 275888554.

It is an arithmetic number, because the mean of its divisors is an integer number (4965993000).

Almost surely, 230347734945 is an apocalyptic number.

It is an amenable number.

30347734945 is a deficient number, since it is larger than the sum of its proper divisors (9380209055).

30347734945 is a wasteful number, since it uses less digits than its factorization.

30347734945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551777015.

The product of its (nonzero) digits is 3810240, while the sum is 49.

The spelling of 30347734945 in words is "thirty billion, three hundred forty-seven million, seven hundred thirty-four thousand, nine hundred forty-five".

Divisors: 1 5 11 55 551776999 2758884995 6069546989 30347734945