Base | Representation |
---|---|
bin | 11101001111100101… |
… | …01111110111001110 |
3 | 1111112011022122110010 |
4 | 32213302233313032 |
5 | 224123200001311 |
6 | 11113521254050 |
7 | 1064026541232 |
oct | 164762576716 |
9 | 44464278403 |
10 | 15700000206 |
11 | 6727271590 |
12 | 3061a94326 |
13 | 1632888567 |
14 | a8d19c5c2 |
15 | 61d4d6da6 |
hex | 3a7cafdce |
15700000206 has 16 divisors (see below), whose sum is σ = 34254546048. Its totient is φ = 4757575800.
The previous prime is 15700000163. The next prime is 15700000229. The reversal of 15700000206 is 60200000751.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118939330 + ... + 118939461.
It is an arithmetic number, because the mean of its divisors is an integer number (2140909128).
Almost surely, 215700000206 is an apocalyptic number.
15700000206 is an abundant number, since it is smaller than the sum of its proper divisors (18554545842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15700000206 is a wasteful number, since it uses less digits than its factorization.
15700000206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237878807.
The product of its (nonzero) digits is 420, while the sum is 21.
Adding to 15700000206 its reverse (60200000751), we get a palindrome (75900000957).
The spelling of 15700000206 in words is "fifteen billion, seven hundred million, two hundred six", and thus it is an aban number.
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