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30561426005 = 511555662291
BaseRepresentation
bin11100011101100110…
…100101101001010101
32220212212201022001212
4130131212211221111
51000042211113010
622012325231205
72131224556235
oct343546455125
986785638055
1030561426005
1111a63145770
125b0ab62505
132b607a6236
14169cc2dcc5
15bdd077505
hex71d9a5a55

30561426005 has 8 divisors (see below), whose sum is σ = 40007685024. Its totient is φ = 22226491600.

The previous prime is 30561425977. The next prime is 30561426013. The reversal of 30561426005 is 50062416503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30561426005 - 26 = 30561425941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 277831091 + ... + 277831200.

It is an arithmetic number, because the mean of its divisors is an integer number (5000960628).

Almost surely, 230561426005 is an apocalyptic number.

It is an amenable number.

30561426005 is a deficient number, since it is larger than the sum of its proper divisors (9446259019).

30561426005 is a wasteful number, since it uses less digits than its factorization.

30561426005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555662307.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 30561426005 in words is "thirty billion, five hundred sixty-one million, four hundred twenty-six thousand, five".

Divisors: 1 5 11 55 555662291 2778311455 6112285201 30561426005