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10642239520 = 255116046727
BaseRepresentation
bin10011110100101001…
…11011000000100000
31000110200020210010021
421322110323000200
5133243403131040
64520004043224
7524503354243
oct117224730040
930420223107
1010642239520
1145712a3080
122090093514
131007a85063
1472d58325a
1542447124a
hex27a53b020

10642239520 has 48 divisors (see below), whose sum is σ = 27427958208. Its totient is φ = 3869904640.

The previous prime is 10642239493. The next prime is 10642239539. The reversal of 10642239520 is 2593224601.

It is a super-2 number, since 2×106422395202 (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, 3021604 + ... + 3025123.

It is an arithmetic number, because the mean of its divisors is an integer number (571415796).

Almost surely, 210642239520 is an apocalyptic number.

10642239520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10642239520 is an abundant number, since it is smaller than the sum of its proper divisors (16785718688).

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

10642239520 is a wasteful number, since it uses less digits than its factorization.

10642239520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046753 (or 6046745 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 10642239520 in words is "ten billion, six hundred forty-two million, two hundred thirty-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 6046727 12093454 24186908 30233635 48373816 60467270 66513997 96747632 120934540 133027994 193495264 241869080 266055988 332569985 483738160 532111976 665139970 967476320 1064223952 1330279940 2128447904 2660559880 5321119760 10642239520