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86634758406 = 2372319505679
BaseRepresentation
bin101000010101111010…
…1011000000100000110
322021121201120201111210
41100223311120010012
52404411444232111
6103444403312250
76154614203400
oct1205365300406
9267551521453
1086634758406
1133818076299
121495997b686
138228879271
14429bdbbb70
1523c0bdd0a6
hex142bd58106

86634758406 has 48 divisors (see below), whose sum is σ = 208060323840. Its totient is φ = 23954308560.

The previous prime is 86634758341. The next prime is 86634758407. The reversal of 86634758406 is 60485743668.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86634758407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4743726 + ... + 4761953.

It is an arithmetic number, because the mean of its divisors is an integer number (4334590080).

Almost surely, 286634758406 is an apocalyptic number.

86634758406 is an abundant number, since it is smaller than the sum of its proper divisors (121425565434).

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

86634758406 is a wasteful number, since it uses less digits than its factorization.

86634758406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505729 (or 9505722 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 86634758406 in words is "eighty-six billion, six hundred thirty-four million, seven hundred fifty-eight thousand, four hundred six".

Divisors: 1 2 3 6 7 14 21 31 42 49 62 93 98 147 186 217 294 434 651 1302 1519 3038 4557 9114 9505679 19011358 28517037 57034074 66539753 133079506 199619259 294676049 399238518 465778271 589352098 884028147 931556542 1397334813 1768056294 2062732343 2794669626 4125464686 6188197029 12376394058 14439126401 28878252802 43317379203 86634758406