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30427651331 = 7111723244959
BaseRepresentation
bin11100010101101000…
…010001110100000011
32220112112222211201022
4130111220101310003
5444303434320311
621551150100055
72125011524510
oct342550216403
986475884638
1030427651331
11119a4685890
125a921aa62b
132b3bb6861c
14168916a307
15bd14505db
hex715a11d03

30427651331 has 16 divisors (see below), whose sum is σ = 40167290880. Its totient is φ = 22315159680.

The previous prime is 30427651307. The next prime is 30427651343. The reversal of 30427651331 is 13315672403.

It is not a de Polignac number, because 30427651331 - 222 = 30423457027 is a prime.

It is a super-2 number, since 2×304276513312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30427651291 and 30427651300.

It is not an unprimeable number, because it can be changed into a prime (30427651301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11621171 + ... + 11623788.

It is an arithmetic number, because the mean of its divisors is an integer number (2510455680).

Almost surely, 230427651331 is an apocalyptic number.

30427651331 is a deficient number, since it is larger than the sum of its proper divisors (9739639549).

30427651331 is a wasteful number, since it uses less digits than its factorization.

30427651331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23244994.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 30427651331 in words is "thirty billion, four hundred twenty-seven million, six hundred fifty-one thousand, three hundred thirty-one".

Divisors: 1 7 11 17 77 119 187 1309 23244959 162714713 255694549 395164303 1789861843 2766150121 4346807333 30427651331