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8135263203168 = 2531737134725477
BaseRepresentation
bin111011001100010001101…
…1110010010111101100000
31001210201112110222001220210
41312120203132102331200
52031242004340000133
625145142135534120
71466516256163233
oct166304336227540
931721473861823
108135263203168
112657166aa0852
12ab480322a340
134701c901079a
14201a6ab6141a
15e193bdc1763
hex76623792f60

8135263203168 has 96 divisors (see below), whose sum is σ = 23222361191904. Its totient is φ = 2483259973632.

The previous prime is 8135263203161. The next prime is 8135263203251. The reversal of 8135263203168 is 8613023625318.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135263203161) 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, 67302355 + ... + 67423122.

It is an arithmetic number, because the mean of its divisors is an integer number (241899595749).

Almost surely, 28135263203168 is an apocalyptic number.

It is an amenable number.

8135263203168 is an abundant number, since it is smaller than the sum of its proper divisors (15087097988736).

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

8135263203168 is a wasteful number, since it uses less digits than its factorization.

8135263203168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134725544 (or 134725536 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 8135263203168 in words is "eight trillion, one hundred thirty-five billion, two hundred sixty-three million, two hundred three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 37 48 51 68 74 96 102 111 136 148 204 222 272 296 408 444 544 592 629 816 888 1184 1258 1632 1776 1887 2516 3552 3774 5032 7548 10064 15096 20128 30192 60384 134725477 269450954 404176431 538901908 808352862 1077803816 1616705724 2155607632 2290333109 3233411448 4311215264 4580666218 4984842649 6466822896 6870999327 9161332436 9969685298 12933645792 13741998654 14954527947 18322664872 19939370596 27483997308 29909055894 36645329744 39878741192 54967994616 59818111788 73290659488 79757482384 84742325033 109935989232 119636223576 159514964768 169484650066 219871978464 239272447152 254226975099 338969300132 478544894304 508453950198 677938600264 1016907900396 1355877200528 2033815800792 2711754401056 4067631601584 8135263203168