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10638427370 = 251955991723
BaseRepresentation
bin10011110100001100…
…11000010011101010
31000110102002002211112
421322012120103222
5133241414133440
64515350230322
7524426066144
oct117206302352
930412062745
1010638427370
11456a129a3a
12208a9553a2
13100704bb4c
1472cc6dc94
15423e6b965
hex27a1984ea

10638427370 has 16 divisors (see below), whose sum is σ = 20157020640. Its totient is φ = 4031403984.

The previous prime is 10638427321. The next prime is 10638427391. The reversal of 10638427370 is 7372483601.

It is a super-2 number, since 2×106384273702 (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 7 ways as a sum of consecutive naturals, for example, 27995672 + ... + 27996051.

It is an arithmetic number, because the mean of its divisors is an integer number (1259813790).

Almost surely, 210638427370 is an apocalyptic number.

10638427370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10638427370 is a deficient number, since it is larger than the sum of its proper divisors (9518593270).

10638427370 is a wasteful number, since it uses less digits than its factorization.

10638427370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55991749.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 10638427370 in words is "ten billion, six hundred thirty-eight million, four hundred twenty-seven thousand, three hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 55991723 111983446 279958615 559917230 1063842737 2127685474 5319213685 10638427370