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18152014044 = 22317563158047
BaseRepresentation
bin10000111001111100…
…011100000011011100
31201212001012212002110
4100321330130003130
5244133403422134
612201112354020
71211552400513
oct207174340334
951761185073
1018152014044
11777537a8aa
1236270a5910
131933886118
14c42abb67a
157138d47e9
hex439f1c0dc

18152014044 has 48 divisors (see below), whose sum is σ = 44926092288. Its totient is φ = 5684598528.

The previous prime is 18152014019. The next prime is 18152014063. The reversal of 18152014044 is 44041025181.

It is a super-2 number, since 2×181520140442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35829 + ... + 193875.

It is an arithmetic number, because the mean of its divisors is an integer number (935960256).

Almost surely, 218152014044 is an apocalyptic number.

It is an amenable number.

18152014044 is an abundant number, since it is smaller than the sum of its proper divisors (26774078244).

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

18152014044 is a wasteful number, since it uses less digits than its factorization.

18152014044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158634 (or 158632 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 18152014044 in words is "eighteen billion, one hundred fifty-two million, fourteen thousand, forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 563 1126 1689 2252 3378 6756 9571 19142 28713 38284 57426 114852 158047 316094 474141 632188 948282 1896564 2686799 5373598 8060397 10747196 16120794 32241588 88980461 177960922 266941383 355921844 533882766 1067765532 1512667837 3025335674 4538003511 6050671348 9076007022 18152014044