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18264545416684 = 2271934331852287
BaseRepresentation
bin1000010011100100010111…
…01111011101010111101100
32101200001222120111020102101
410021302023233131113230
54343221242111313214
6102502341043304444
73563366314324120
oct411621357352754
971601876436371
1018264545416684
115901a4a806326
12206b95b37b124
13a264544146a8
14472019cb1580
1521a181b40774
hex109c8bbdd5ec

18264545416684 has 24 divisors (see below), whose sum is σ = 38451674562560. Its totient is φ = 7415680093776.

The previous prime is 18264545416673. The next prime is 18264545416697. The reversal of 18264545416684 is 48661454546281.

It is a happy number.

It is a super-2 number, since 2×182645454166842 (a number of 27 digits) contains 22 as substring.

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, 17165925612 + ... + 17165926675.

Almost surely, 218264545416684 is an apocalyptic number.

18264545416684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18264545416684 is an abundant number, since it is smaller than the sum of its proper divisors (20187129145876).

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

18264545416684 is a wasteful number, since it uses less digits than its factorization.

18264545416684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34331852317 (or 34331852315 counting only the distinct ones).

The product of its digits is 176947200, while the sum is 64.

The spelling of 18264545416684 in words is "eighteen trillion, two hundred sixty-four billion, five hundred forty-five million, four hundred sixteen thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 34331852287 68663704574 137327409148 240322966009 480645932018 652305193453 961291864036 1304610386906 2609220773812 4566136354171 9132272708342 18264545416684