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18252035076 = 22311433215651
BaseRepresentation
bin10000111111111001…
…111111010000000100
31202010000102110011010
4100333321333100010
5244340010110301
612215044242220
71214205511152
oct207771772004
952100373133
1018252035076
117816886110
1236546a0370
13194b506372
14c520b63d2
1571c5905d6
hex43fe7f404

18252035076 has 48 divisors (see below), whose sum is σ = 47540199168. Its totient is φ = 5402292000.

The previous prime is 18252035027. The next prime is 18252035111. The reversal of 18252035076 is 67053025281.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602150 + ... + 1613501.

It is an arithmetic number, because the mean of its divisors is an integer number (990420816).

Almost surely, 218252035076 is an apocalyptic number.

It is an amenable number.

18252035076 is an abundant number, since it is smaller than the sum of its proper divisors (29288164092).

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

18252035076 is a wasteful number, since it uses less digits than its factorization.

18252035076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215712 (or 3215710 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 18252035076 in words is "eighteen billion, two hundred fifty-two million, thirty-five thousand, seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1892 2838 5676 3215651 6431302 9646953 12862604 19293906 35372161 38587812 70744322 106116483 138272993 141488644 212232966 276545986 414818979 424465932 553091972 829637958 1521002923 1659275916 3042005846 4563008769 6084011692 9126017538 18252035076