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10505055064 = 237316051299
BaseRepresentation
bin10011100100010011…
…00110101101011000
31000010010010002102111
421302021212231120
5133003243230224
64454223442104
7521216331460
oct116211465530
930103102374
1010505055064
114500914399
122052156334
13cb552241a
14719272ba0
154173c3d94
hex272266b58

10505055064 has 32 divisors (see below), whose sum is σ = 23236992000. Its totient is φ = 4356934560.

The previous prime is 10505055061. The next prime is 10505055073. The reversal of 10505055064 is 46055050501.

It is a super-2 number, since 2×105050550642 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505055061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023914 + ... + 3027385.

It is an arithmetic number, because the mean of its divisors is an integer number (726156000).

Almost surely, 210505055064 is an apocalyptic number.

10505055064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10505055064 is an abundant number, since it is smaller than the sum of its proper divisors (12731936936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505055064 is a wasteful number, since it uses less digits than its factorization.

10505055064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051343 (or 6051339 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 10505055064 in words is "ten billion, five hundred five million, fifty-five thousand, sixty-four".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 6051299 12102598 24205196 42359093 48410392 84718186 169436372 187590269 338872744 375180538 750361076 1313131883 1500722152 2626263766 5252527532 10505055064