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10642531692 = 22313174013021
BaseRepresentation
bin10011110100101100…
…00010010101101100
31000110200210121220110
421322112002111230
5133243442003232
64520014220020
7524506012122
oct117226022554
930420717813
1010642531692
114571482641
1220901b4610
131007b58040
1472d61b912
154244ccacc
hex27a58256c

10642531692 has 48 divisors (see below), whose sum is σ = 28315883232. Its totient is φ = 3081999360.

The previous prime is 10642531657. The next prime is 10642531699. The reversal of 10642531692 is 29613524601.

It is a super-2 number, since 2×106425316922 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 10642531692.

It is not an unprimeable number, because it can be changed into a prime (10642531699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003859 + ... + 2009162.

It is an arithmetic number, because the mean of its divisors is an integer number (589914234).

Almost surely, 210642531692 is an apocalyptic number.

10642531692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10642531692 is an abundant number, since it is smaller than the sum of its proper divisors (17673351540).

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

10642531692 is a wasteful number, since it uses less digits than its factorization.

10642531692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013058 (or 4013056 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 10642531692 in words is "ten billion, six hundred forty-two million, five hundred thirty-one thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 4013021 8026042 12039063 16052084 24078126 48156252 52169273 68221357 104338546 136442714 156507819 204664071 208677092 272885428 313015638 409328142 626031276 818656284 886877641 1773755282 2660632923 3547510564 5321265846 10642531692