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86769469872 = 2432787765649
BaseRepresentation
bin101000011001111011…
…1010000100110110000
322021222010001202220100
41100303313100212300
52410200441013442
6103510014512400
76161141216241
oct1206367204660
9267863052810
1086769469872
1133887115a88
1214996b05700
13824a7543a7
1442b1c46cc8
1523cc94c84c
hex1433dd09b0

86769469872 has 60 divisors (see below), whose sum is σ = 243142876600. Its totient is φ = 28886367744.

The previous prime is 86769469861. The next prime is 86769469883. The reversal of 86769469872 is 27896496768.

86769469872 is a `hidden beast` number, since 86 + 7 + 6 + 9 + 469 + 87 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (86769469861) and next prime (86769469883).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 86769469872.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 269497 + ... + 496152.

Almost surely, 286769469872 is an apocalyptic number.

It is an amenable number.

86769469872 is an abundant number, since it is smaller than the sum of its proper divisors (156373406728).

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

86769469872 is a wasteful number, since it uses less digits than its factorization.

86769469872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766450 (or 766441 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 72.

The spelling of 86769469872 in words is "eighty-six billion, seven hundred sixty-nine million, four hundred sixty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 787 1574 2361 3148 4722 6296 7083 9444 12592 14166 18888 28332 37776 56664 113328 765649 1531298 2296947 3062596 4593894 6125192 6890841 9187788 12250384 13781682 18375576 27563364 36751152 55126728 110253456 602565763 1205131526 1807697289 2410263052 3615394578 4820526104 5423091867 7230789156 9641052208 10846183734 14461578312 21692367468 28923156624 43384734936 86769469872