Base | Representation |
---|---|
bin | 10111110110011000… |
… | …11011011101000101 |
3 | 1020001100111111211222 |
4 | 23323030123131011 |
5 | 202210343231424 |
6 | 5514320010125 |
7 | 632205350603 |
oct | 137314333505 |
9 | 36040444758 |
10 | 12804273989 |
11 | 5480751621 |
12 | 2594160945 |
13 | 1290982bb0 |
14 | 89677a873 |
15 | 4ee18de5e |
hex | 2fb31b745 |
12804273989 has 16 divisors (see below), whose sum is σ = 14040324480. Its totient is φ = 11605239360.
The previous prime is 12804273961. The next prime is 12804273997. The reversal of 12804273989 is 98937240821.
It is not a de Polignac number, because 12804273989 - 228 = 12535838533 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12804273989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12804243989) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247247 + ... + 294515.
It is an arithmetic number, because the mean of its divisors is an integer number (877520280).
Almost surely, 212804273989 is an apocalyptic number.
It is an amenable number.
12804273989 is a deficient number, since it is larger than the sum of its proper divisors (1236050491).
12804273989 is a wasteful number, since it uses less digits than its factorization.
12804273989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47660.
The product of its (nonzero) digits is 1741824, while the sum is 53.
The spelling of 12804273989 in words is "twelve billion, eight hundred four million, two hundred seventy-three thousand, nine hundred eighty-nine".
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