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30886479064 = 2371049525781
BaseRepresentation
bin11100110000111110…
…100100010011011000
32221201112100201001001
4130300332210103120
51001223414312224
622104500234344
72142252511630
oct346076442330
987645321031
1030886479064
111210a680961
125b9b99b9b4
132bb2c3641c
1416d00856c0
15c0b884544
hex730fa44d8

30886479064 has 32 divisors (see below), whose sum is σ = 66248532000. Its totient is φ = 13224418560.

The previous prime is 30886479061. The next prime is 30886479067. The reversal of 30886479064 is 46097468803.

It is an interprime number because it is at equal distance from previous prime (30886479061) and next prime (30886479067).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30886478996 and 30886479014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30886479061) 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 7 ways as a sum of consecutive naturals, for example, 204147 + ... + 321634.

It is an arithmetic number, because the mean of its divisors is an integer number (2070266625).

Almost surely, 230886479064 is an apocalyptic number.

It is an amenable number.

30886479064 is an abundant number, since it is smaller than the sum of its proper divisors (35362052936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30886479064 is a wasteful number, since it uses less digits than its factorization.

30886479064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526843 (or 526839 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 30886479064 in words is "thirty billion, eight hundred eighty-six million, four hundred seventy-nine thousand, sixty-four".

Divisors: 1 2 4 7 8 14 28 56 1049 2098 4196 7343 8392 14686 29372 58744 525781 1051562 2103124 3680467 4206248 7360934 14721868 29443736 551544269 1103088538 2206177076 3860809883 4412354152 7721619766 15443239532 30886479064