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18146556060 = 2235900133601
BaseRepresentation
bin10000111001100111…
…100111100010011100
31201211122221120010220
4100321213213202130
5244131004243220
612200355401340
71211455116153
oct207147474234
951748846126
1018146556060
117772292176
1236252b3250
1319326c4a49
14c4209a59a
157131a7540
hex4399e789c

18146556060 has 48 divisors (see below), whose sum is σ = 50817514272. Its totient is φ = 4838400000.

The previous prime is 18146556049. The next prime is 18146556061. The reversal of 18146556060 is 6065564181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18146556061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523260 + ... + 556860.

It is an arithmetic number, because the mean of its divisors is an integer number (1058698214).

Almost surely, 218146556060 is an apocalyptic number.

18146556060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18146556060 is an abundant number, since it is smaller than the sum of its proper divisors (32670958212).

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

18146556060 is a wasteful number, since it uses less digits than its factorization.

18146556060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42614 (or 42612 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 18146556060 in words is "eighteen billion, one hundred forty-six million, five hundred fifty-six thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 9001 18002 27003 33601 36004 45005 54006 67202 90010 100803 108012 134404 135015 168005 180020 201606 270030 336010 403212 504015 540060 672020 1008030 2016060 302442601 604885202 907327803 1209770404 1512213005 1814655606 3024426010 3629311212 4536639015 6048852020 9073278030 18146556060