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30400552431 = 323377839159
BaseRepresentation
bin11100010100000000…
…111001110111101111
32220110200000002000100
4130110000321313233
5444230020134211
621544341202143
72124232301124
oct342400716757
986420002010
1030400552431
1111990356aa7
125a85100353
132b3636ac82
14168571474b
15bcdd9b156
hex714039def

30400552431 has 6 divisors (see below), whose sum is σ = 43911909080. Its totient is φ = 20267034948.

The previous prime is 30400552423. The next prime is 30400552451. The reversal of 30400552431 is 13425500403.

30400552431 is a `hidden beast` number, since 30 + 40 + 0 + 552 + 43 + 1 = 666.

It is not a de Polignac number, because 30400552431 - 23 = 30400552423 is a prime.

It is a super-2 number, since 2×304005524312 (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 = 30400552395 and 30400552404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400552451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1688919571 + ... + 1688919588.

Almost surely, 230400552431 is an apocalyptic number.

30400552431 is a deficient number, since it is larger than the sum of its proper divisors (13511356649).

30400552431 is a wasteful number, since it uses less digits than its factorization.

30400552431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377839165 (or 3377839162 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 30400552431 in words is "thirty billion, four hundred million, five hundred fifty-two thousand, four hundred thirty-one".

Divisors: 1 3 9 3377839159 10133517477 30400552431