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10885311995 = 5112312831511
BaseRepresentation
bin10100010001101000…
…01010110111111011
31001002121122010212112
422020310022313323
5134243114440440
65000050002535
7533514424325
oct121064126773
931077563775
1010885311995
114686525018
12213957644b
13104624051c
14753978615
1543a987965
hex288d0adfb

10885311995 has 16 divisors (see below), whose sum is σ = 13092855552. Its totient is φ = 8687960160.

The previous prime is 10885311991. The next prime is 10885312037. The reversal of 10885311995 is 59911358801.

It is not a de Polignac number, because 10885311995 - 22 = 10885311991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10885311991) 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, 7203290 + ... + 7204800.

It is an arithmetic number, because the mean of its divisors is an integer number (818303472).

Almost surely, 210885311995 is an apocalyptic number.

10885311995 is a deficient number, since it is larger than the sum of its proper divisors (2207543557).

10885311995 is a wasteful number, since it uses less digits than its factorization.

10885311995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922.

The product of its (nonzero) digits is 388800, while the sum is 50.

The spelling of 10885311995 in words is "ten billion, eight hundred eighty-five million, three hundred eleven thousand, nine hundred ninety-five".

Divisors: 1 5 1123 1283 1511 5615 6415 7555 1440809 1696853 1938613 7204045 8484265 9693065 2177062399 10885311995