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20312662426135 = 517785330430727
BaseRepresentation
bin1001001111001011010010…
…00001110100001000010111
32122220212112100222102120121
410213211221001310020113
510130300313040114020
6111111301443012411
74164353465550442
oct447455101641027
978825470872517
1020312662426135
116521608431522
12234089166a107
13b4462558c091
145031d0d74659
152535a4014baa
hex127969074217

20312662426135 has 16 divisors (see below), whose sum is σ = 25812317272896. Its totient is φ = 15292291875328.

The previous prime is 20312662426117. The next prime is 20312662426141. The reversal of 20312662426135 is 53162426621302.

It is a cyclic number.

It is not a de Polignac number, because 20312662426135 - 223 = 20312654037527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20312662426091 and 20312662426100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14547859 + ... + 15882868.

It is an arithmetic number, because the mean of its divisors is an integer number (1613269829556).

Almost surely, 220312662426135 is an apocalyptic number.

20312662426135 is a deficient number, since it is larger than the sum of its proper divisors (5499654846761).

20312662426135 is a wasteful number, since it uses less digits than its factorization.

20312662426135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30438602.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 20312662426135 in words is "twenty trillion, three hundred twelve billion, six hundred sixty-two million, four hundred twenty-six thousand, one hundred thirty-five".

Divisors: 1 5 17 85 7853 39265 133501 667505 30430727 152153635 517322359 2586611795 238972499131 1194862495655 4062532485227 20312662426135