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88287475068 = 22341329722791
BaseRepresentation
bin101001000111001010…
…1111111010101111100
322102212220110102120000
41102032111333111330
52421303043200233
6104320402554300
76243563104332
oct1221625772574
9272786412500
1088287475068
1134495a83831
121513b368990
1384300abb10
1443b76b5b52
15246ad51d13
hex148e57f57c

88287475068 has 120 divisors (see below), whose sum is σ = 257126026080. Its totient is φ = 26228603520.

The previous prime is 88287475027. The next prime is 88287475069. The reversal of 88287475068 is 86057478288.

88287475068 is a `hidden beast` number, since 8 + 8 + 2 + 87 + 47 + 506 + 8 = 666.

It is a super-4 number, since 4×882874750684 (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88287474996 and 88287475014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88287475069) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 239248 + ... + 483543.

It is an arithmetic number, because the mean of its divisors is an integer number (2142716884).

Almost surely, 288287475068 is an apocalyptic number.

It is an amenable number.

88287475068 is an abundant number, since it is smaller than the sum of its proper divisors (168838551012).

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

88287475068 is a wasteful number, since it uses less digits than its factorization.

88287475068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722849 (or 722838 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 88287475068 in words is "eighty-eight billion, two hundred eighty-seven million, four hundred seventy-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 29 36 39 52 54 58 78 81 87 108 116 117 156 162 174 234 261 324 348 351 377 468 522 702 754 783 1044 1053 1131 1404 1508 1566 2106 2262 2349 3132 3393 4212 4524 4698 6786 9396 10179 13572 20358 30537 40716 61074 122148 722791 1445582 2168373 2891164 4336746 6505119 8673492 9396283 13010238 18792566 19515357 20960939 26020476 28188849 37585132 39030714 41921878 56377698 58546071 62882817 78061428 83843756 84566547 112755396 117092142 125765634 169133094 188648451 234184284 251531268 253699641 272492207 338266188 377296902 507399282 544984414 565945353 754593804 761098923 817476621 1014798564 1089968828 1131890706 1522197846 1634953242 1697836059 2263781412 2452429863 3044395692 3269906484 3395672118 4904859726 6791344236 7357289589 9809719452 14714579178 22071868767 29429158356 44143737534 88287475068