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86725363131 = 32115937793929
BaseRepresentation
bin101000011000100111…
…1000000010110111011
322021212001001220211100
41100301033000112323
52410103143110011
6103501401302443
76160064265201
oct1206117002673
9267761056740
1086725363131
113386422aa30
1214984194a23
138241580524
1442aa045071
1523c8b38d56
hex14313c05bb

86725363131 has 48 divisors (see below), whose sum is σ = 139046544000. Its totient is φ = 51643144320.

The previous prime is 86725363111. The next prime is 86725363139. The reversal of 86725363131 is 13136352768.

86725363131 is a `hidden beast` number, since 8 + 6 + 7 + 2 + 5 + 3 + 631 + 3 + 1 = 666.

It is not a de Polignac number, because 86725363131 - 217 = 86725232059 is a prime.

It is a super-2 number, since 2×867253631312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86725363139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22071175 + ... + 22075103.

It is an arithmetic number, because the mean of its divisors is an integer number (2896803000).

Almost surely, 286725363131 is an apocalyptic number.

86725363131 is a deficient number, since it is larger than the sum of its proper divisors (52321180869).

86725363131 is a wasteful number, since it uses less digits than its factorization.

86725363131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784 (or 7781 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 86725363131 in words is "eighty-six billion, seven hundred twenty-five million, three hundred sixty-three thousand, one hundred thirty-one".

Divisors: 1 3 9 11 33 59 99 177 531 649 1947 3779 3929 5841 11337 11787 34011 35361 41569 43219 124707 129657 222961 231811 374121 388971 668883 695433 2006649 2086299 2452571 2549921 7357713 7649763 14847691 22073139 22949289 44543073 133629219 163324601 489973803 876013769 1469921409 2628041307 7884123921 9636151459 28908454377 86725363131