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10645632551420 = 2253499972115649
BaseRepresentation
bin1001101011101010000100…
…1001011000100111111100
31101200201020102210002210122
42122322201021120213330
52343404223413121140
634350311443154112
72146056461442656
oct232724111304774
941621212702718
1010645632551420
113434873053929
12123b240975938
135c2b56a7bb39
1428b373a5d6d6
15136db5eebab5
hex9aea12589fc

10645632551420 has 48 divisors (see below), whose sum is σ = 22365947100000. Its totient is φ = 4256326103040.

The previous prime is 10645632551377. The next prime is 10645632551431. The reversal of 10645632551420 is 2415523654601.

10645632551420 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 2×106456325514202 (a number of 27 digits) contains 22 as substring.

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, 680267756 + ... + 680283404.

It is an arithmetic number, because the mean of its divisors is an integer number (465957231250).

Almost surely, 210645632551420 is an apocalyptic number.

10645632551420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10645632551420 is an abundant number, since it is smaller than the sum of its proper divisors (11720314548580).

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

10645632551420 is a wasteful number, since it uses less digits than its factorization.

10645632551420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28878 (or 28876 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 10645632551420 in words is "ten trillion, six hundred forty-five billion, six hundred thirty-two million, five hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3499 6998 9721 13996 15649 17495 19442 31298 34990 38884 48605 62596 69980 78245 97210 156490 194420 312980 34013779 54755851 68027558 109511702 136055116 152123929 170068895 219023404 273779255 304247858 340137790 547558510 608495716 680275580 760619645 1095117020 1521239290 3042478580 532281627571 1064563255142 2129126510284 2661408137855 5322816275710 10645632551420