Base | Representation |
---|---|
bin | 10010111010110100… |
… | …011000011111011101 |
3 | 1221102201200102002112 |
4 | 102322310120133131 |
5 | 313100411210130 |
6 | 13155431003405 |
7 | 1316255352332 |
oct | 227264303735 |
9 | 57381612075 |
10 | 20314163165 |
11 | 86848a74aa |
12 | 3b2b209565 |
13 | 1bb97c41ba |
14 | da9d04989 |
15 | 7dd626495 |
hex | 4bad187dd |
20314163165 has 8 divisors (see below), whose sum is σ = 25217582040. Its totient is φ = 15690939712.
The previous prime is 20314163143. The next prime is 20314163189. The reversal of 20314163165 is 56136141302.
It can be written as a sum of positive squares in 4 ways, for example, as 903543481 + 19410619684 = 30059^2 + 139322^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20314163165 - 28 = 20314162909 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70048694 + ... + 70048983.
It is an arithmetic number, because the mean of its divisors is an integer number (3152197755).
Almost surely, 220314163165 is an apocalyptic number.
It is an amenable number.
20314163165 is a deficient number, since it is larger than the sum of its proper divisors (4903418875).
20314163165 is a wasteful number, since it uses less digits than its factorization.
20314163165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140097711.
The product of its (nonzero) digits is 12960, while the sum is 32.
The spelling of 20314163165 in words is "twenty billion, three hundred fourteen million, one hundred sixty-three thousand, one hundred sixty-five".
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