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20676070715 = 54135214143
BaseRepresentation
bin10011010000011000…
…111100110100111011
31222100221200012220212
4103100120330310323
5314321033230330
613255355541335
71331241462356
oct232030746473
958327605825
1020676070715
118850114a53
12401045a84b
131c46789291
141001dd129d
158102b3295
hex4d063cd3b

20676070715 has 4 divisors (see below), whose sum is σ = 24811284864. Its totient is φ = 16540856568.

The previous prime is 20676070697. The next prime is 20676070739. The reversal of 20676070715 is 51707067602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20676070715 - 214 = 20676054331 is a prime.

It is a super-2 number, since 2×206760707152 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067607067 + ... + 2067607076.

It is an arithmetic number, because the mean of its divisors is an integer number (6202821216).

Almost surely, 220676070715 is an apocalyptic number.

20676070715 is a deficient number, since it is larger than the sum of its proper divisors (4135214149).

20676070715 is an equidigital number, since it uses as much as digits as its factorization.

20676070715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135214148.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 20676070715 in words is "twenty billion, six hundred seventy-six million, seventy thousand, seven hundred fifteen".

Divisors: 1 5 4135214143 20676070715