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10506556140 = 22351290713567
BaseRepresentation
bin10011100100011110…
…10101001011101100
31000010012221100111220
421302033111023230
5133004134244030
64454315543340
7521235153003
oct116217251354
930105840456
1010506556140
11450174a153
12205275ab50
13cb5929732
14719543c3a
154175bda10
hex2723d52ec

10506556140 has 48 divisors (see below), whose sum is σ = 29422804992. Its totient is φ = 2801324736.

The previous prime is 10506556139. The next prime is 10506556153. The reversal of 10506556140 is 4165560501.

It is a super-2 number, since 2×105065561402 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767637 + ... + 781203.

It is an arithmetic number, because the mean of its divisors is an integer number (612975104).

Almost surely, 210506556140 is an apocalyptic number.

10506556140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10506556140 is an abundant number, since it is smaller than the sum of its proper divisors (18916248852).

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

10506556140 is a wasteful number, since it uses less digits than its factorization.

10506556140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26486 (or 26484 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 10506556140 in words is "ten billion, five hundred six million, five hundred fifty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 12907 13567 25814 27134 38721 40701 51628 54268 64535 67835 77442 81402 129070 135670 154884 162804 193605 203505 258140 271340 387210 407010 774420 814020 175109269 350218538 525327807 700437076 875546345 1050655614 1751092690 2101311228 2626639035 3502185380 5253278070 10506556140