Search a number
-
+
20013725076057 = 332633281522627
BaseRepresentation
bin1001000110011110011101…
…11110010100101001011001
32121212021220220121121111000
410203033032332110221121
510110401102104413212
6110322102310055213
74133641523160606
oct443171676245131
977767826547430
1020013725076057
1164168560598a9
1222b296404a509
13b2239496480b
144d295300b6ad
1524a909cb01dc
hex1233cef94a59

20013725076057 has 16 divisors (see below), whose sum is σ = 29661224086080. Its totient is φ = 13337415929376.

The previous prime is 20013725075987. The next prime is 20013725076061. The reversal of 20013725076057 is 75067052731002.

20013725076057 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 37 + 2 + 5 + 0 + 7 + 605 + 7 = 666.

It is not a de Polignac number, because 20013725076057 - 222 = 20013720881753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013725071057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140690223 + ... + 140832404.

It is an arithmetic number, because the mean of its divisors is an integer number (1853826505380).

Almost surely, 220013725076057 is an apocalyptic number.

20013725076057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20013725076057 is a deficient number, since it is larger than the sum of its proper divisors (9647499010023).

20013725076057 is a wasteful number, since it uses less digits than its factorization.

20013725076057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281525269 (or 281525263 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 20013725076057 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, seventy-six thousand, fifty-seven".

Divisors: 1 3 9 27 2633 7899 23697 71091 281522627 844567881 2533703643 7601110929 741249076891 2223747230673 6671241692019 20013725076057