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86221880854672 = 2423317558019009
BaseRepresentation
bin10011100110101100011000…
…100101001000100010010000
3102022021201202010100211211111
4103212230120211020202100
542300124402444322142
6503213441340223104
724106216404562663
oct2346543045104220
9368251663324744
1086221880854672
1125522548a40762
12980646553aa94
1339158c4778264
14174123886d6da
159e7c67c8be17
hex4e6b18948890

86221880854672 has 40 divisors (see below), whose sum is σ = 179941316590080. Its totient is φ = 39906340362240.

The previous prime is 86221880854661. The next prime is 86221880854717. The reversal of 86221880854672 is 27645808812268.

It is a junction number, because it is equal to n+sod(n) for n = 86221880854598 and 86221880854607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778998097 + ... + 3779020912.

It is an arithmetic number, because the mean of its divisors is an integer number (4498532914752).

Almost surely, 286221880854672 is an apocalyptic number.

It is an amenable number.

86221880854672 is an abundant number, since it is smaller than the sum of its proper divisors (93719435735408).

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

86221880854672 is a wasteful number, since it uses less digits than its factorization.

86221880854672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558019071 (or 7558019065 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 67.

The spelling of 86221880854672 in words is "eighty-six trillion, two hundred twenty-one billion, eight hundred eighty million, eight hundred fifty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 23 31 46 62 92 124 184 248 368 496 713 1426 2852 5704 11408 7558019009 15116038018 30232076036 60464152072 120928304144 173834437207 234298589279 347668874414 468597178558 695337748828 937194357116 1390675497656 1874388714232 2781350995312 3748777428464 5388867553417 10777735106834 21555470213668 43110940427336 86221880854672