Base | Representation |
---|---|
bin | 10011010001100010… |
… | …100110110010110111 |
3 | 1222102022000012002020 |
4 | 103101202212302313 |
5 | 314341004113002 |
6 | 13301325444223 |
7 | 1331564551203 |
oct | 232142466267 |
9 | 58368005066 |
10 | 20695379127 |
11 | 8860002715 |
12 | 4016a10673 |
13 | 1c4a789987 |
14 | 10047b9b03 |
15 | 811d292bc |
hex | 4d18a6cb7 |
20695379127 has 32 divisors (see below), whose sum is σ = 29345241600. Its totient is φ = 12948582528.
The previous prime is 20695379113. The next prime is 20695379153. The reversal of 20695379127 is 72197359602.
It is not a de Polignac number, because 20695379127 - 215 = 20695346359 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20695379127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20695379167) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4204774 + ... + 4209692.
It is an arithmetic number, because the mean of its divisors is an integer number (917038800).
Almost surely, 220695379127 is an apocalyptic number.
20695379127 is a deficient number, since it is larger than the sum of its proper divisors (8649862473).
20695379127 is a wasteful number, since it uses less digits than its factorization.
20695379127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6295.
The product of its (nonzero) digits is 1428840, while the sum is 51.
The spelling of 20695379127 in words is "twenty billion, six hundred ninety-five million, three hundred seventy-nine thousand, one hundred twenty-seven".
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