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30899942332 = 2272405138917
BaseRepresentation
bin11100110001110001…
…111011001110111100
32221202110200201011121
4130301301323032330
51001240341123312
622110101000324
72142505114300
oct346161731674
987673621147
1030899942332
1112117237026
125ba43b30a4
132bb596b45c
1416d1b8bd00
15c0cb43707
hex731c7b3bc

30899942332 has 36 divisors (see below), whose sum is σ = 62920598664. Its totient is φ = 13239223200.

The previous prime is 30899942329. The next prime is 30899942399. The reversal of 30899942332 is 23324999803.

It is a super-2 number, since 2×308999423322 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30899942332.

It is a congruent number.

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, 774538 + ... + 813454.

Almost surely, 230899942332 is an apocalyptic number.

It is an amenable number.

30899942332 is an abundant number, since it is smaller than the sum of its proper divisors (32020656332).

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

30899942332 is a wasteful number, since it uses less digits than its factorization.

30899942332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42986 (or 42977 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 30899942332 in words is "thirty billion, eight hundred ninety-nine million, nine hundred forty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 4051 8102 16204 28357 38917 56714 77834 113428 155668 198499 272419 396998 544838 793996 1089676 1906933 3813866 7627732 157652767 315305534 630611068 1103569369 2207138738 4414277476 7724985583 15449971166 30899942332