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30706787016 = 233447387017
BaseRepresentation
bin11100100110010001…
…000110001011001000
32221021000020101220000
4130212101012023020
51000341414141031
622035001003000
72134641245253
oct344621061310
987230211800
1030706787016
11120281a9634
125b4b783460
132b8493c779
1416b426c09a
15beabdc3e6
hex7264462c8

30706787016 has 40 divisors (see below), whose sum is σ = 86007437670. Its totient is φ = 10235595456.

The previous prime is 30706786991. The next prime is 30706787021. The reversal of 30706787016 is 61078760703.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30202964100 + 503822916 = 173790^2 + 22446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23692861 + ... + 23694156.

Almost surely, 230706787016 is an apocalyptic number.

30706787016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30706787016 is an abundant number, since it is smaller than the sum of its proper divisors (55300650654).

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

30706787016 is a wasteful number, since it uses less digits than its factorization.

30706787016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47387035 (or 47387022 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 30706787016 in words is "thirty billion, seven hundred six million, seven hundred eighty-seven thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 47387017 94774034 142161051 189548068 284322102 379096136 426483153 568644204 852966306 1137288408 1279449459 1705932612 2558898918 3411865224 3838348377 5117797836 7676696754 10235595672 15353393508 30706787016