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30231504155 = 5113263203449
BaseRepresentation
bin11100001001111100…
…000010010100011011
32220000212220112101002
4130021330002110123
5443403231113110
621515502015215
72120110355036
oct341174022433
986025815332
1030231504155
1111903994586
125a3857750b
132b0a32cbc8
14166b0ac01d
15bbe107aa5
hex709f0251b

30231504155 has 16 divisors (see below), whose sum is σ = 36738187200. Its totient is φ = 23879912448.

The previous prime is 30231504137. The next prime is 30231504217. The reversal of 30231504155 is 55140513203.

It is a cyclic number.

It is not a de Polignac number, because 30231504155 - 210 = 30231503131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46871 + ... + 250319.

It is an arithmetic number, because the mean of its divisors is an integer number (2296136700).

Almost surely, 230231504155 is an apocalyptic number.

30231504155 is a deficient number, since it is larger than the sum of its proper divisors (6506683045).

30231504155 is a wasteful number, since it uses less digits than its factorization.

30231504155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203830.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 30231504155 in words is "thirty billion, two hundred thirty-one million, five hundred four thousand, one hundred fifty-five".

Divisors: 1 5 113 263 565 1315 29719 148595 203449 1017245 22989737 53507087 114948685 267535435 6046300831 30231504155