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3145936107 = 397103104959
BaseRepresentation
bin1011101110000011…
…0010110011101011
322010020122010001010
42323200302303223
522420324423412
61240100155003
7140650005246
oct27340626353
98106563033
103145936107
1113748873a6
12739698a63
133b19bc772
1421bb5425d
151362be33c
hexbb832ceb

3145936107 has 16 divisors (see below), whose sum is σ = 4279009280. Its totient is φ = 2055497472.

The previous prime is 3145936093. The next prime is 3145936127. The reversal of 3145936107 is 7016395413.

It is not a de Polignac number, because 3145936107 - 26 = 3145936043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145936127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22507 + ... + 82452.

It is an arithmetic number, because the mean of its divisors is an integer number (267438080).

Almost surely, 23145936107 is an apocalyptic number.

3145936107 is a deficient number, since it is larger than the sum of its proper divisors (1133073173).

3145936107 is a wasteful number, since it uses less digits than its factorization.

3145936107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105162.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 3145936107 is about 56088.6450808004. The cubic root of 3145936107 is about 1465.2665408244.

The spelling of 3145936107 in words is "three billion, one hundred forty-five million, nine hundred thirty-six thousand, one hundred seven".

Divisors: 1 3 97 103 291 309 9991 29973 104959 314877 10181023 10810777 30543069 32432331 1048645369 3145936107