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67901123264 = 2613592934721
BaseRepresentation
bin111111001111001110…
…001110101011000000
320111021010221110021012
4333033032032223000
52103030141421024
651105432420052
74622440011332
oct771716165300
9214233843235
1067901123264
11268844609a7
12111abb47628
136531660b60
143401d7d452
151b7621b50e
hexfcf38eac0

67901123264 has 112 divisors (see below), whose sum is σ = 148100430240. Its totient is φ = 30696161280.

The previous prime is 67901123261. The next prime is 67901123281. The reversal of 67901123264 is 46232110976.

It is a super-2 number, since 2×679011232642 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67901123261) 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, 14380424 + ... + 14385144.

It is an arithmetic number, because the mean of its divisors is an integer number (1322325270).

Almost surely, 267901123264 is an apocalyptic number.

67901123264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67901123264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74050215120).

67901123264 is an abundant number, since it is smaller than the sum of its proper divisors (80199306976).

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

67901123264 is a wasteful number, since it uses less digits than its factorization.

67901123264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5088 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 67901123264 in words is "sixty-seven billion, nine hundred one million, one hundred twenty-three thousand, two hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 32 52 59 64 104 118 208 236 293 416 472 586 767 832 944 1172 1534 1888 2344 3068 3776 3809 4688 4721 6136 7618 9376 9442 12272 15236 17287 18752 18884 24544 30472 34574 37768 49088 60944 61373 69148 75536 121888 122746 138296 151072 224731 243776 245492 276592 278539 302144 449462 490984 553184 557078 898924 981968 1106368 1114156 1383253 1797848 1963936 2228312 2766506 3595696 3621007 3927872 4456624 5533012 7191392 7242014 8913248 11066024 14382784 14484028 17826496 17982289 22132048 28968056 35964578 44264096 57936112 71929156 81611927 88528192 115872224 143858312 163223854 231744448 287716624 326447708 575433248 652895416 1060955051 1150866496 1305790832 2121910102 2611581664 4243820204 5223163328 8487640408 16975280816 33950561632 67901123264