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3129904107 = 321131615193
BaseRepresentation
bin1011101010001110…
…1000101111101011
322002010110121021100
42322203220233223
522402223412412
61234324412443
7140363513601
oct27243505753
98063417240
103129904107
111366827310
12734247123
133ab598485
1421997d871
15134ba3edc
hexba8e8beb

3129904107 has 12 divisors (see below), whose sum is σ = 4931970264. Its totient is φ = 1896911520.

The previous prime is 3129904103. The next prime is 3129904121. The reversal of 3129904107 is 7014099213.

It is not a de Polignac number, because 3129904107 - 22 = 3129904103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3129904103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15807498 + ... + 15807695.

It is an arithmetic number, because the mean of its divisors is an integer number (410997522).

Almost surely, 23129904107 is an apocalyptic number.

3129904107 is a deficient number, since it is larger than the sum of its proper divisors (1802066157).

3129904107 is a wasteful number, since it uses less digits than its factorization.

3129904107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615210 (or 31615207 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3129904107 is about 55945.5459084993. The cubic root of 3129904107 is about 1462.7732531719.

The spelling of 3129904107 in words is "three billion, one hundred twenty-nine million, nine hundred four thousand, one hundred seven".

Divisors: 1 3 9 11 33 99 31615193 94845579 284536737 347767123 1043301369 3129904107