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20007659212801 = 13101910631420841
BaseRepresentation
bin1001000110010011001010…
…11010111001000000000001
32121211201021011121211101221
410203021211122321000001
510110301141224302201
6110315220341355041
74133335306165231
oct443114532710001
977751234554357
1020007659212801
116414223032a77
1222b1750708a81
13b21939048110
144d2539575cc1
1524a6a24b74a1
hex1232656b9001

20007659212801 has 16 divisors (see below), whose sum is σ = 21588159680640. Its totient is φ = 18433114289280.

The previous prime is 20007659212781. The next prime is 20007659212811. The reversal of 20007659212801 is 10821295670002.

It is a cyclic number.

It is not a de Polignac number, because 20007659212801 - 25 = 20007659212769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20007659212811) by changing a digit.

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, 13371141 + ... + 14791981.

It is an arithmetic number, because the mean of its divisors is an integer number (1349259980040).

Almost surely, 220007659212801 is an apocalyptic number.

It is an amenable number.

20007659212801 is a deficient number, since it is larger than the sum of its proper divisors (1580500467839).

20007659212801 is a wasteful number, since it uses less digits than its factorization.

20007659212801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422936.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 20007659212801 in words is "twenty trillion, seven billion, six hundred fifty-nine million, two hundred twelve thousand, eight hundred one".

Divisors: 1 13 1019 1063 13247 13819 1083197 1420841 14081561 18470933 1447836979 1510353983 18821880727 19634601779 1539050708677 20007659212801