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30474848493 = 327014830377
BaseRepresentation
bin11100011000011100…
…010100100011101101
32220122211210201001100
4130120130110203231
5444403030122433
621555553433313
72126123636535
oct343034244355
986584721040
1030474848493
1111a19291801
125aa5b6b839
132b4888203b
1416915344c5
15bd5674b13
hex7187148ed

30474848493 has 12 divisors (see below), whose sum is σ = 44082029628. Its totient is φ = 20287579200.

The previous prime is 30474848479. The next prime is 30474848507. The reversal of 30474848493 is 39484847403.

30474848493 is a `hidden beast` number, since 3 + 0 + 4 + 74 + 8 + 484 + 93 = 666.

It is an interprime number because it is at equal distance from previous prime (30474848479) and next prime (30474848507).

It can be written as a sum of positive squares in 2 ways, for example, as 19606160484 + 10868688009 = 140022^2 + 104253^2 .

It is not a de Polignac number, because 30474848493 - 213 = 30474840301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30474840493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2408880 + ... + 2421497.

It is an arithmetic number, because the mean of its divisors is an integer number (3673502469).

Almost surely, 230474848493 is an apocalyptic number.

It is an amenable number.

30474848493 is a deficient number, since it is larger than the sum of its proper divisors (13607181135).

30474848493 is a wasteful number, since it uses less digits than its factorization.

30474848493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831084 (or 4831081 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 30474848493 in words is "thirty billion, four hundred seventy-four million, eight hundred forty-eight thousand, four hundred ninety-three".

Divisors: 1 3 9 701 2103 6309 4830377 14491131 43473393 3386094277 10158282831 30474848493