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10550091965 = 5717104916903
BaseRepresentation
bin10011101001101010…
…11010000010111101
31000020020212012102212
421310311122002331
5133101310420330
64502513030205
7522304205420
oct116465320275
930206765385
1010550091965
114524285276
122065255365
13cc196078a
147212379b7
1541b31d295
hex274d5a0bd

10550091965 has 32 divisors (see below), whose sum is σ = 15335308800. Its totient is φ = 6801905664.

The previous prime is 10550091961. The next prime is 10550091971. The reversal of 10550091965 is 56919005501.

It is a cyclic number.

It is not a de Polignac number, because 10550091965 - 22 = 10550091961 is a prime.

It is a super-2 number, since 2×105500919652 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10550091961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615704 + ... + 632606.

It is an arithmetic number, because the mean of its divisors is an integer number (479228400).

Almost surely, 210550091965 is an apocalyptic number.

It is an amenable number.

10550091965 is a deficient number, since it is larger than the sum of its proper divisors (4785216835).

10550091965 is a wasteful number, since it uses less digits than its factorization.

10550091965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981.

The product of its (nonzero) digits is 60750, while the sum is 41.

The spelling of 10550091965 in words is "ten billion, five hundred fifty million, ninety-one thousand, nine hundred sixty-five".

Divisors: 1 5 7 17 35 85 119 595 1049 5245 7343 16903 17833 36715 84515 89165 118321 124831 287351 591605 624155 1436755 2011457 10057285 17731247 88656235 124118729 301431199 620593645 1507155995 2110018393 10550091965