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30160715720 = 235292896573
BaseRepresentation
bin11100000101101101…
…111111111111001000
32212211221201002220012
4130011231333333020
5443232120400340
621504452451052
72115260565542
oct340555777710
985757632805
1030160715720
1111877a35143
125a18919a88
132ac8776565
141661922692
15bb7cc3565
hex705b7ffc8

30160715720 has 48 divisors (see below), whose sum is σ = 70282435860. Its totient is φ = 11648263424.

The previous prime is 30160715719. The next prime is 30160715747. The reversal of 30160715720 is 2751706103.

It can be written as a sum of positive squares in 6 ways, for example, as 3690076516 + 26470639204 = 60746^2 + 162698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414647 + ... + 481926.

Almost surely, 230160715720 is an apocalyptic number.

It is an amenable number.

30160715720 is an abundant number, since it is smaller than the sum of its proper divisors (40121720140).

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

30160715720 is a wasteful number, since it uses less digits than its factorization.

30160715720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896642 (or 896609 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 30160715720 in words is "thirty billion, one hundred sixty million, seven hundred fifteen thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 841 1160 1682 3364 4205 6728 8410 16820 33640 896573 1793146 3586292 4482865 7172584 8965730 17931460 26000617 35862920 52001234 104002468 130003085 208004936 260006170 520012340 754017893 1040024680 1508035786 3016071572 3770089465 6032143144 7540178930 15080357860 30160715720