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30317138715 = 3510718889183
BaseRepresentation
bin11100001111000010…
…101101001100011011
32220020212001012220110
4130033002231030123
5444042141414330
621532201255403
72122200266343
oct341702551433
986225035813
1030317138715
1111948264046
125a61194563
132b21cb3b46
1416785ddd23
15bc68c0db0
hex70f0ad31b

30317138715 has 16 divisors (see below), whose sum is σ = 48960764928. Its totient is φ = 16018026336.

The previous prime is 30317138707. The next prime is 30317138723. The reversal of 30317138715 is 51783171303.

It is an interprime number because it is at equal distance from previous prime (30317138707) and next prime (30317138723).

It is not a de Polignac number, because 30317138715 - 23 = 30317138707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9442987 + ... + 9446196.

It is an arithmetic number, because the mean of its divisors is an integer number (3060047808).

Almost surely, 230317138715 is an apocalyptic number.

30317138715 is a deficient number, since it is larger than the sum of its proper divisors (18643626213).

30317138715 is a wasteful number, since it uses less digits than its factorization.

30317138715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18889298.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 30317138715 in words is "thirty billion, three hundred seventeen million, one hundred thirty-eight thousand, seven hundred fifteen".

Divisors: 1 3 5 15 107 321 535 1605 18889183 56667549 94445915 283337745 2021142581 6063427743 10105712905 30317138715