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18080376987164 = 2223329597596261
BaseRepresentation
bin1000001110001101010100…
…11100101001111000011100
32101000110121120002122212012
410013012222130221320130
54332212103002042124
6102242002134530352
73544156411442222
oct407065234517034
971013546078765
1018080376987164
115840932500378
1220401218069b8
13a11c83cc91cb
1446714863ab12
152154a34e1e0e
hex1071aa729e1c

18080376987164 has 24 divisors (see below), whose sum is σ = 33016496129568. Its totient is φ = 8647096082240.

The previous prime is 18080376986989. The next prime is 18080376987193. The reversal of 18080376987164 is 46178967308081.

It is a junction number, because it is equal to n+sod(n) for n = 18080376987094 and 18080376987103.

It is a congruent number.

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, 30024794 + ... + 30621054.

It is an arithmetic number, because the mean of its divisors is an integer number (1375687338732).

Almost surely, 218080376987164 is an apocalyptic number.

It is an amenable number.

18080376987164 is a deficient number, since it is larger than the sum of its proper divisors (14936119142404).

18080376987164 is a wasteful number, since it uses less digits than its factorization.

18080376987164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925885 (or 925883 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 68.

The spelling of 18080376987164 in words is "eighteen trillion, eighty billion, three hundred seventy-six million, nine hundred eighty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 23 46 92 329597 596261 659194 1192522 1318388 2385044 7580731 13714003 15161462 27428006 30322924 54856012 196525836817 393051673634 786103347268 4520094246791 9040188493582 18080376987164