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20025013134771 = 3220981106048399
BaseRepresentation
bin1001000110110011011111…
…10010110110010110110011
32121220101001121002101222200
410203121233302312112303
510111042211330303041
6110331210344234243
74134521331120021
oct443315762662663
977811047071880
1020025013134771
116420618955447
1222b4b9446b983
13b234734688b8
144d3304263711
1524ad6aca01b6
hex12366fcb65b3

20025013134771 has 12 divisors (see below), whose sum is σ = 28926397874400. Its totient is φ = 13349372340240.

The previous prime is 20025013134739. The next prime is 20025013134781. The reversal of 20025013134771 is 17743131052002.

20025013134771 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 50 + 131 + 3 + 477 + 1 = 666.

It is not a de Polignac number, because 20025013134771 - 25 = 20025013134739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20025013134781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52835371 + ... + 53213028.

It is an arithmetic number, because the mean of its divisors is an integer number (2410533156200).

Almost surely, 220025013134771 is an apocalyptic number.

20025013134771 is a deficient number, since it is larger than the sum of its proper divisors (8901384739629).

20025013134771 is a wasteful number, since it uses less digits than its factorization.

20025013134771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106069386 (or 106069383 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 20025013134771 its reverse (17743131052002), we get a palindrome (37768144186773).

The spelling of 20025013134771 in words is "twenty trillion, twenty-five billion, thirteen million, one hundred thirty-four thousand, seven hundred seventy-one".

Divisors: 1 3 9 20981 62943 188829 106048399 318145197 954435591 2225001459419 6675004378257 20025013134771