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10644808728 = 233642769011
BaseRepresentation
bin10011110100111101…
…01110010000011000
31000110212002022102010
421322132232100120
5133300032334403
64520135105520
7524534244531
oct117236562030
930425068363
1010644808728
114572798394
122090b122a0
1310084745b8
1472da51688
154247cc603
hex27a7ae418

10644808728 has 32 divisors (see below), whose sum is σ = 26616548160. Its totient is φ = 3547666080.

The previous prime is 10644808709. The next prime is 10644808739. The reversal of 10644808728 is 82780844601.

10644808728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106448087282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119743 + ... + 188753.

It is an arithmetic number, because the mean of its divisors is an integer number (831767130).

Almost surely, 210644808728 is an apocalyptic number.

It is an amenable number.

10644808728 is an abundant number, since it is smaller than the sum of its proper divisors (15971739432).

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

10644808728 is a wasteful number, since it uses less digits than its factorization.

10644808728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75447 (or 75443 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 10644808728 in words is "ten billion, six hundred forty-four million, eight hundred eight thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 6427 12854 19281 25708 38562 51416 69011 77124 138022 154248 207033 276044 414066 552088 828132 1656264 443533697 887067394 1330601091 1774134788 2661202182 3548269576 5322404364 10644808728