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30956081700 = 22352138174719
BaseRepresentation
bin11100110101001000…
…000101001000100100
32221220101022212220110
4130311020011020210
51001344224103300
622115424133020
72144056232025
oct346510051044
987811285813
1030956081700
11121459a03a5
125bbb167170
132bc449610b
1416d9402c4c
15c12a32550
hex735205224

30956081700 has 72 divisors (see below), whose sum is σ = 89632318720. Its totient is φ = 8248867200.

The previous prime is 30956081699. The next prime is 30956081701. The reversal of 30956081700 is 718065903.

It is an interprime number because it is at equal distance from previous prime (30956081699) and next prime (30956081701).

It is not an unprimeable number, because it can be changed into a prime (30956081701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376941 + ... + 451659.

Almost surely, 230956081700 is an apocalyptic number.

30956081700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30956081700 is an abundant number, since it is smaller than the sum of its proper divisors (58676237020).

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

30956081700 is a wasteful number, since it uses less digits than its factorization.

30956081700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76117 (or 76110 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 30956081700 in words is "thirty billion, nine hundred fifty-six million, eighty-one thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1381 2762 4143 5524 6905 8286 13810 16572 20715 27620 34525 41430 69050 74719 82860 103575 138100 149438 207150 224157 298876 373595 414300 448314 747190 896628 1120785 1494380 1867975 2241570 3735950 4483140 5603925 7471900 11207850 22415700 103186939 206373878 309560817 412747756 515934695 619121634 1031869390 1238243268 1547804085 2063738780 2579673475 3095608170 5159346950 6191216340 7739020425 10318693900 15478040850 30956081700