Base | Representation |
---|---|
bin | 11001111011011100… |
… | …11110011001010010 |
3 | 1022221010212102110210 |
4 | 30331232132121102 |
5 | 212002121321221 |
6 | 10221152304550 |
7 | 1001651154033 |
oct | 147556363122 |
9 | 38833772423 |
10 | 13920495186 |
11 | 59a3836084 |
12 | 2845b42156 |
13 | 140acc3000 |
14 | 960adca8a |
15 | 56717b276 |
hex | 33db9e652 |
13920495186 has 64 divisors (see below), whose sum is σ = 31934649600. Its totient is φ = 4031209728.
The previous prime is 13920495181. The next prime is 13920495269. The reversal of 13920495186 is 68159402931.
It is not an unprimeable number, because it can be changed into a prime (13920495181) 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, 193035 + ... + 255153.
It is an arithmetic number, because the mean of its divisors is an integer number (498978900).
Almost surely, 213920495186 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13920495186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15967324800).
13920495186 is an abundant number, since it is smaller than the sum of its proper divisors (18014154414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13920495186 is a wasteful number, since it uses less digits than its factorization.
13920495186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62180 (or 62154 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 48.
The spelling of 13920495186 in words is "thirteen billion, nine hundred twenty million, four hundred ninety-five thousand, one hundred eighty-six".
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