Base | Representation |
---|---|
bin | 10011001010000101… |
… | …001110010001011011 |
3 | 1222002120112020222102 |
4 | 103022011032101123 |
5 | 314111440022440 |
6 | 13241055314015 |
7 | 1325515056341 |
oct | 231205162133 |
9 | 58076466872 |
10 | 20570235995 |
11 | 87a63a8841 |
12 | 3ba0b1b90b |
13 | 1c2a881a9a |
14 | dd1d21991 |
15 | 805d59b15 |
hex | 4ca14e45b |
20570235995 has 16 divisors (see below), whose sum is σ = 24741470208. Its totient is φ = 16418112480.
The previous prime is 20570235989. The next prime is 20570236081. The reversal of 20570235995 is 59953207502.
It is not a de Polignac number, because 20570235995 - 24 = 20570235979 is a prime.
It is a Duffinian 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, 5345162 + ... + 5349008.
It is an arithmetic number, because the mean of its divisors is an integer number (1546341888).
Almost surely, 220570235995 is an apocalyptic number.
20570235995 is a deficient number, since it is larger than the sum of its proper divisors (4171234213).
20570235995 is a wasteful number, since it uses less digits than its factorization.
20570235995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6050.
The product of its (nonzero) digits is 850500, while the sum is 47.
The spelling of 20570235995 in words is "twenty billion, five hundred seventy million, two hundred thirty-five thousand, nine hundred ninety-five".
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