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11630956945 = 571173229827
BaseRepresentation
bin10101101010100001…
…00101000110010001
31010000120200211110011
422311100211012101
5142310011110240
65202043434521
7561140334316
oct126520450621
933016624404
1011630956945
114a29410113
122307225a41
13113487195a
147c49d4d0d
154811746ea
hex2b5425191

11630956945 has 32 divisors (see below), whose sum is σ = 14314993920. Its totient is φ = 9069876480.

The previous prime is 11630956907. The next prime is 11630957003. The reversal of 11630956945 is 54965903611.

It is not a de Polignac number, because 11630956945 - 217 = 11630825873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14063622 + ... + 14064448.

It is an arithmetic number, because the mean of its divisors is an integer number (447343560).

Almost surely, 211630956945 is an apocalyptic number.

It is an amenable number.

11630956945 is a deficient number, since it is larger than the sum of its proper divisors (2684036975).

11630956945 is a wasteful number, since it uses less digits than its factorization.

11630956945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 11630956945 in words is "eleven billion, six hundred thirty million, nine hundred fifty-six thousand, nine hundred forty-five".

Divisors: 1 5 71 173 229 355 827 865 1145 4135 12283 16259 39617 58717 61415 81295 143071 189383 198085 293585 715355 946915 2812807 10158041 13446193 14064035 32763259 50790205 67230965 163816295 2326191389 11630956945