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30487631044 = 2213586300597
BaseRepresentation
bin11100011001001101…
…000101010011000100
32220200201212010102011
4130121031011103010
5444414313143134
622001131424004
72126340405463
oct343115052304
986621763364
1030487631044
1111a255224a2
125aaa2b5004
132b4b409290
1416931009da
15bd684c264
hex7193454c4

30487631044 has 12 divisors (see below), whose sum is σ = 57457458604. Its totient is φ = 14071214304.

The previous prime is 30487631029. The next prime is 30487631051. The reversal of 30487631044 is 44013678403.

It can be written as a sum of positive squares in 2 ways, for example, as 1407150144 + 29080480900 = 37512^2 + 170530^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30487630988 and 30487631006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293150247 + ... + 293150350.

Almost surely, 230487631044 is an apocalyptic number.

It is an amenable number.

30487631044 is a deficient number, since it is larger than the sum of its proper divisors (26969827560).

30487631044 is a wasteful number, since it uses less digits than its factorization.

30487631044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586300614 (or 586300612 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 30487631044 in words is "thirty billion, four hundred eighty-seven million, six hundred thirty-one thousand, forty-four".

Divisors: 1 2 4 13 26 52 586300597 1172601194 2345202388 7621907761 15243815522 30487631044