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18325792810 = 2513294860953
BaseRepresentation
bin10001000100010011…
…010110100000101010
31202022011012201202001
4101010103112200222
5300012400332220
612230241201214
71216062445243
oct210423264052
952264181661
1018325792810
117854483416
12367533020a
13196088c3b0
14c5bbd5cca
15723cae80a
hex4444d682a

18325792810 has 32 divisors (see below), whose sum is σ = 36748812240. Its totient is φ = 6533119488.

The previous prime is 18325792783. The next prime is 18325792841. The reversal of 18325792810 is 1829752381.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10960205481 + 7365587329 = 104691^2 + 85823^2 .

It is a super-2 number, since 2×183257928102 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426707 + ... + 2434246.

Almost surely, 218325792810 is an apocalyptic number.

18325792810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18325792810 is an abundant number, since it is smaller than the sum of its proper divisors (18423019430).

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

18325792810 is a wasteful number, since it uses less digits than its factorization.

18325792810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861002.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 18325792810 in words is "eighteen billion, three hundred twenty-five million, seven hundred ninety-two thousand, eight hundred ten".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 290 377 754 1885 3770 4860953 9721906 24304765 48609530 63192389 126384778 140967637 281935274 315961945 631923890 704838185 1409676370 1832579281 3665158562 9162896405 18325792810