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18927211141124 = 22111322545348459
BaseRepresentation
bin1000100110110110101011…
…01100100101100000000100
32111000102102212221221010122
410103123111230211200010
54440100412023003444
6104131012445441112
73662305636126166
oct423332554454004
974012385857118
1018927211141124
116037a92292130
122158278870198
13a73a9cb74700
14496120a78936
1522c5182754ee
hex1136d5b25804

18927211141124 has 36 divisors (see below), whose sum is σ = 39127096527120. Its totient is φ = 7941487188960.

The previous prime is 18927211141103. The next prime is 18927211141187. The reversal of 18927211141124 is 42114111272981.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 11 ways as a sum of consecutive naturals, for example, 1272666794 + ... + 1272681665.

It is an arithmetic number, because the mean of its divisors is an integer number (1086863792420).

Almost surely, 218927211141124 is an apocalyptic number.

It is an amenable number.

18927211141124 is an abundant number, since it is smaller than the sum of its proper divisors (20199885385996).

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

18927211141124 is a wasteful number, since it uses less digits than its factorization.

18927211141124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545348500 (or 2545348485 counting only the distinct ones).

The product of its digits is 64512, while the sum is 44.

The spelling of 18927211141124 in words is "eighteen trillion, nine hundred twenty-seven billion, two hundred eleven million, one hundred forty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 169 286 338 572 676 1859 3718 7436 2545348459 5090696918 10181393836 27998833049 33089529967 55997666098 66179059934 111995332196 132358119868 363984829637 430163889571 727969659274 860327779142 1455939318548 1720655558284 4731802785281 9463605570562 18927211141124