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10525503940 = 225775182171
BaseRepresentation
bin10011100110101111…
…00111000111000100
31000011112121000000021
421303113213013010
5133024012111230
64500234024524
7521555210260
oct116327470704
930145530007
1010525503940
114511410996
122058b78144
13cb9831c53
1471bc770a0
154190b2c7a
hex2735e71c4

10525503940 has 24 divisors (see below), whose sum is σ = 25261209792. Its totient is φ = 3608744160.

The previous prime is 10525503907. The next prime is 10525503941. The reversal of 10525503940 is 4930552501.

It is a super-2 number, since 2×105255039402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10525503896 and 10525503905.

It is not an unprimeable number, because it can be changed into a prime (10525503941) 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, 37590946 + ... + 37591225.

It is an arithmetic number, because the mean of its divisors is an integer number (1052550408).

Almost surely, 210525503940 is an apocalyptic number.

10525503940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10525503940 is an abundant number, since it is smaller than the sum of its proper divisors (14735705852).

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

10525503940 is a wasteful number, since it uses less digits than its factorization.

10525503940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75182187 (or 75182185 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 10525503940 in words is "ten billion, five hundred twenty-five million, five hundred three thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 75182171 150364342 300728684 375910855 526275197 751821710 1052550394 1503643420 2105100788 2631375985 5262751970 10525503940