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10023799870 = 257373870193
BaseRepresentation
bin10010101010111011…
…10000110000111110
3221212120112210102001
421111131300300332
5131012043043440
64334352452514
7503253615220
oct112535606076
927776483361
1010023799870
1142841a0227
121b38b4a13a
13c39901336
146b139a410
153da00eb9a
hex255770c3e

10023799870 has 32 divisors (see below), whose sum is σ = 21177701568. Its totient is φ = 3343845888.

The previous prime is 10023799829. The next prime is 10023799889. The reversal of 10023799870 is 7899732001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10023799870.

It is a congruent number.

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, 1932507 + ... + 1937686.

It is an arithmetic number, because the mean of its divisors is an integer number (661803174).

Almost surely, 210023799870 is an apocalyptic number.

10023799870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10023799870 is an abundant number, since it is smaller than the sum of its proper divisors (11153901698).

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

10023799870 is a wasteful number, since it uses less digits than its factorization.

10023799870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870244.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 10023799870 in words is "ten billion, twenty-three million, seven hundred ninety-nine thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 37 70 74 185 259 370 518 1295 2590 3870193 7740386 19350965 27091351 38701930 54182702 135456755 143197141 270913510 286394282 715985705 1002379987 1431971410 2004759974 5011899935 10023799870