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86615244251668 = 221113271483442561
BaseRepresentation
bin10011101100011010101110…
…110111011010001000010100
3102100200100002021222212000001
4103230122232313122020110
542323101010012023133
6504114254403101044
724146513332360126
oct2354325667321024
9370610067885001
1086615244251668
1125664356363a90
12986a746071784
133943a23177672
1417562b346d216
15a030dbbee87d
hex4ec6aedda214

86615244251668 has 24 divisors (see below), whose sum is σ = 165480984676224. Its totient is φ = 39340896691200.

The previous prime is 86615244251611. The next prime is 86615244251671.

86615244251668 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×866152442516682 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 741662893 + ... + 741779668.

It is an arithmetic number, because the mean of its divisors is an integer number (6895041028176).

Almost surely, 286615244251668 is an apocalyptic number.

It is an amenable number.

86615244251668 is a deficient number, since it is larger than the sum of its proper divisors (78865740424556).

86615244251668 is a wasteful number, since it uses less digits than its factorization.

86615244251668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483443903 (or 1483443901 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 64.

The spelling of 86615244251668 in words is "eighty-six trillion, six hundred fifteen billion, two hundred forty-four million, two hundred fifty-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 1327 2654 5308 14597 29194 58388 1483442561 2966885122 5933770244 16317868171 32635736342 65271472684 1968528278447 3937056556894 7874113113788 21653811062917 43307622125834 86615244251668