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3069931905 = 325599113891
BaseRepresentation
bin1011011011111011…
…0111000110000001
321220221121200212200
42312332313012001
522241400310110
61224343143413
7136034663535
oct26676670601
97827550780
103069931905
111335995307
12718144b69
1339c02b071
14211a0bbc5
1512e7a96c0
hexb6fb7181

3069931905 has 24 divisors (see below), whose sum is σ = 5330145600. Its totient is φ = 1634549280.

The previous prime is 3069931903. The next prime is 3069931939. The reversal of 3069931905 is 5091399603.

It is not a de Polignac number, because 3069931905 - 21 = 3069931903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3069931901) 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, 29991 + ... + 83900.

It is an arithmetic number, because the mean of its divisors is an integer number (222089400).

Almost surely, 23069931905 is an apocalyptic number.

It is an amenable number.

3069931905 is a deficient number, since it is larger than the sum of its proper divisors (2260213695).

3069931905 is a wasteful number, since it uses less digits than its factorization.

3069931905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114501 (or 114498 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 3069931905 is about 55406.9662136450. The cubic root of 3069931905 is about 1453.3701876660.

The spelling of 3069931905 in words is "three billion, sixty-nine million, nine hundred thirty-one thousand, nine hundred five".

Divisors: 1 3 5 9 15 45 599 1797 2995 5391 8985 26955 113891 341673 569455 1025019 1708365 5125095 68220709 204662127 341103545 613986381 1023310635 3069931905