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30011559912 = 2333138942407
BaseRepresentation
bin11011111100110101…
…000000111111101000
32212110120001012121000
4123330311000333220
5442430424404122
621442003515000
72111500023135
oct337465007750
985416035530
1030011559912
111180081a184
125996988a60
132aa38b1999
141649bb758c
15ba9b5e0ac
hex6fcd40fe8

30011559912 has 32 divisors (see below), whose sum is σ = 83365444800. Its totient is φ = 10003853232.

The previous prime is 30011559883. The next prime is 30011559979. The reversal of 30011559912 is 21995511003.

30011559912 is a `hidden beast` number, since 3 + 0 + 0 + 11 + 559 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69470988 + ... + 69471419.

It is an arithmetic number, because the mean of its divisors is an integer number (2605170150).

Almost surely, 230011559912 is an apocalyptic number.

It is an amenable number.

30011559912 is an abundant number, since it is smaller than the sum of its proper divisors (53353884888).

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

30011559912 is a wasteful number, since it uses less digits than its factorization.

30011559912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942422 (or 138942412 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The spelling of 30011559912 in words is "thirty billion, eleven million, five hundred fifty-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 138942407 277884814 416827221 555769628 833654442 1111539256 1250481663 1667308884 2500963326 3334617768 3751444989 5001926652 7502889978 10003853304 15005779956 30011559912