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181140006048 = 2534146021343
BaseRepresentation
bin1010100010110011001…
…0010010010010100000
3122022112221212201112220
42220230302102102200
510431433320143143
6215114202551040
716041550434621
oct2505462222240
9568487781486
10181140006048
116a9038a1641
122b133508480
1314109b91741
148aa538da48
154aa2842d83
hex2a2cc924a0

181140006048 has 48 divisors (see below), whose sum is σ = 487089904896. Its totient is φ = 58907317760.

The previous prime is 181140006017. The next prime is 181140006053. The reversal of 181140006048 is 840600041181.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 23006736 + ... + 23014607.

It is an arithmetic number, because the mean of its divisors is an integer number (10147706352).

Almost surely, 2181140006048 is an apocalyptic number.

It is an amenable number.

181140006048 is an abundant number, since it is smaller than the sum of its proper divisors (305949898848).

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

181140006048 is a wasteful number, since it uses less digits than its factorization.

181140006048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46021397 (or 46021389 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 181140006048 in words is "one hundred eighty-one billion, one hundred forty million, six thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 82 96 123 164 246 328 492 656 984 1312 1968 3936 46021343 92042686 138064029 184085372 276128058 368170744 552256116 736341488 1104512232 1472682976 1886875063 2209024464 3773750126 4418048928 5660625189 7547500252 11321250378 15095000504 22642500756 30190001008 45285001512 60380002016 90570003024 181140006048