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3118906905 = 351910943533
BaseRepresentation
bin1011100111100110…
…1011111000011001
322001100202212221120
42321321223320121
522341420010110
61233252555453
7140201162022
oct27171537031
98040685846
103118906905
1113605a5a14
12730622b89
133a9217a5a
14218319c49
15133c30870
hexb9e6be19

3118906905 has 16 divisors (see below), whose sum is σ = 5252896320. Its totient is φ = 1575868608.

The previous prime is 3118906811. The next prime is 3118906909. The reversal of 3118906905 is 5096098113.

It is not a de Polignac number, because 3118906905 - 218 = 3118644761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3118906909) 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 15 ways as a sum of consecutive naturals, for example, 5471482 + ... + 5472051.

It is an arithmetic number, because the mean of its divisors is an integer number (328306020).

Almost surely, 23118906905 is an apocalyptic number.

It is an amenable number.

3118906905 is a deficient number, since it is larger than the sum of its proper divisors (2133989415).

3118906905 is a wasteful number, since it uses less digits than its factorization.

3118906905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943560.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 3118906905 is about 55847.1745480467. The cubic root of 3118906905 is about 1461.0580472514.

The spelling of 3118906905 in words is "three billion, one hundred eighteen million, nine hundred six thousand, nine hundred five".

Divisors: 1 3 5 15 19 57 95 285 10943533 32830599 54717665 164152995 207927127 623781381 1039635635 3118906905