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10642155560 = 235266053889
BaseRepresentation
bin10011110100101001…
…00110100000101000
31000110200002111221122
421322110212200220
5133243342434220
64520002154412
7524502554411
oct117224464050
930420074848
1010642155560
114571245a93
122090052a08
131007a55a8a
1472d560808
15424456425
hex27a526828

10642155560 has 16 divisors (see below), whose sum is σ = 23944850100. Its totient is φ = 4256862208.

The previous prime is 10642155541. The next prime is 10642155647. The reversal of 10642155560 is 6555124601.

It can be written as a sum of positive squares in 2 ways, for example, as 10335975556 + 306180004 = 101666^2 + 17498^2 .

It is a super-2 number, since 2×106421555602 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10642155560.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133026905 + ... + 133026984.

Almost surely, 210642155560 is an apocalyptic number.

10642155560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10642155560 is an abundant number, since it is smaller than the sum of its proper divisors (13302694540).

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

10642155560 is a wasteful number, since it uses less digits than its factorization.

10642155560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266053900 (or 266053896 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 10642155560 in words is "ten billion, six hundred forty-two million, one hundred fifty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 266053889 532107778 1064215556 1330269445 2128431112 2660538890 5321077780 10642155560