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20013725424726 = 23211229441394853
BaseRepresentation
bin1001000110011110011101…
…11111101001110001010110
32121212021220221021022202200
410203033032333221301112
510110401102202042401
6110322102321345330
74133641526142255
oct443171677516126
977767827238680
1020013725424726
116416856277860
1222b2964198246
13b22394a57427
144d295309c79c
1524a909d2d686
hex1233cefe9c56

20013725424726 has 48 divisors (see below), whose sum is σ = 47511742084560. Its totient is φ = 6038281575360.

The previous prime is 20013725424697. The next prime is 20013725424743. The reversal of 20013725424726 is 62742452731002.

20013725424726 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 37 + 2 + 542 + 4 + 72 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220652085 + ... + 220742768.

It is an arithmetic number, because the mean of its divisors is an integer number (989827960095).

Almost surely, 220013725424726 is an apocalyptic number.

20013725424726 is an abundant number, since it is smaller than the sum of its proper divisors (27498016659834).

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

20013725424726 is a wasteful number, since it uses less digits than its factorization.

20013725424726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441395101 (or 441395098 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 20013725424726 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, four hundred twenty-four thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 229 458 687 1374 2061 2519 4122 5038 7557 15114 22671 45342 441394853 882789706 1324184559 2648369118 3972553677 4855343383 7945107354 9710686766 14566030149 29132060298 43698090447 87396180894 101079421337 202158842674 303238264011 606476528022 909714792033 1111873634707 1819429584066 2223747269414 3335620904121 6671241808242 10006862712363 20013725424726