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30899541888 = 273226822519
BaseRepresentation
bin11100110001110000…
…011001011110000000
32221202102221100212100
4130301300121132000
51001240240320023
622110044230400
72142501525645
oct346160313600
987672840770
1030899541888
1112116a93186
125ba423b400
132bb585b0c7
1416d1ac5dcc
15c0cab4c43
hex731c19780

30899541888 has 48 divisors (see below), whose sum is σ = 88916653800. Its totient is φ = 10299846912.

The previous prime is 30899541877. The next prime is 30899541917. The reversal of 30899541888 is 88814599803.

It is a happy number.

30899541888 is a `hidden beast` number, since 3 + 0 + 8 + 9 + 9 + 541 + 8 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13410108 + ... + 13412411.

Almost surely, 230899541888 is an apocalyptic number.

It is an amenable number.

30899541888 is an abundant number, since it is smaller than the sum of its proper divisors (58017111912).

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

30899541888 is a wasteful number, since it uses less digits than its factorization.

30899541888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26822539 (or 26822524 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 30899541888 in words is "thirty billion, eight hundred ninety-nine million, five hundred forty-one thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 26822519 53645038 80467557 107290076 160935114 214580152 241402671 321870228 429160304 482805342 643740456 858320608 965610684 1287480912 1716641216 1931221368 2574961824 3433282432 3862442736 5149923648 7724885472 10299847296 15449770944 30899541888