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30899645117 = 112809058647
BaseRepresentation
bin11100110001110000…
…110010101010111101
32221202110010121110122
4130301300302222331
51001240302120432
622110050344325
72142502435625
oct346160625275
987673117418
1030899645117
11121170537a0
125ba428b0a5
132bb58960a3
1416d1b11885
15c0cad5612
hex731c32abd

30899645117 has 4 divisors (see below), whose sum is σ = 33708703776. Its totient is φ = 28090586460.

The previous prime is 30899645107. The next prime is 30899645149. The reversal of 30899645117 is 71154699803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30899645117 - 220 = 30898596541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30899645107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1404529313 + ... + 1404529334.

It is an arithmetic number, because the mean of its divisors is an integer number (8427175944).

Almost surely, 230899645117 is an apocalyptic number.

It is an amenable number.

30899645117 is a deficient number, since it is larger than the sum of its proper divisors (2809058659).

30899645117 is a wasteful number, since it uses less digits than its factorization.

30899645117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809058658.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 30899645117 in words is "thirty billion, eight hundred ninety-nine million, six hundred forty-five thousand, one hundred seventeen".

Divisors: 1 11 2809058647 30899645117