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30886076457 = 3231459124113
BaseRepresentation
bin11100110000111101…
…000010000000101001
32221201111121020202200
4130300331002000221
51001223313421312
622104443450413
72142246214065
oct346075020051
987644536680
1030886076457
111210a426425
125b9b826a09
132bb2b250b2
1416cddbcaa5
15c0b8050dc
hex730f42029

30886076457 has 24 divisors (see below), whose sum is σ = 46064299008. Its totient is φ = 19921334400.

The previous prime is 30886076453. The next prime is 30886076479. The reversal of 30886076457 is 75467068803.

It is not a de Polignac number, because 30886076457 - 22 = 30886076453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30886076453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1268833 + ... + 1292945.

It is an arithmetic number, because the mean of its divisors is an integer number (1919345792).

Almost surely, 230886076457 is an apocalyptic number.

It is an amenable number.

30886076457 is a deficient number, since it is larger than the sum of its proper divisors (15178222551).

30886076457 is a wasteful number, since it uses less digits than its factorization.

30886076457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28741 (or 28738 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 30886076457 in words is "thirty billion, eight hundred eighty-six million, seventy-six thousand, four hundred fifty-seven".

Divisors: 1 3 9 31 93 279 4591 13773 24113 41319 72339 142321 217017 426963 747503 1280889 2242509 6727527 110702783 332108349 996325047 3431786273 10295358819 30886076457