Base | Representation |
---|---|
bin | 10011000100110111… |
… | …010110100101111011 |
3 | 1221212110211200100021 |
4 | 103010313112211323 |
5 | 313422033321404 |
6 | 13224251351311 |
7 | 1323403124200 |
oct | 230467264573 |
9 | 57773750307 |
10 | 20482713979 |
11 | 8760a5a1a2 |
12 | 3b77752537 |
13 | 1c156b9a00 |
14 | dc445bca7 |
15 | 7ed31c454 |
hex | 4c4dd697b |
20482713979 has 72 divisors (see below), whose sum is σ = 27022465152. Its totient is φ = 15454333440.
The previous prime is 20482713967. The next prime is 20482713991. The reversal of 20482713979 is 97931728402.
It is an interprime number because it is at equal distance from previous prime (20482713967) and next prime (20482713991).
It is not a de Polignac number, because 20482713979 - 29 = 20482713467 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20482713379) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18739357 + ... + 18740449.
It is an arithmetic number, because the mean of its divisors is an integer number (375312016).
Almost surely, 220482713979 is an apocalyptic number.
20482713979 is a deficient number, since it is larger than the sum of its proper divisors (6539751173).
20482713979 is a wasteful number, since it uses less digits than its factorization.
20482713979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1237 (or 1217 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 52.
The spelling of 20482713979 in words is "twenty billion, four hundred eighty-two million, seven hundred thirteen thousand, nine hundred seventy-nine".
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