Base | Representation |
---|---|
bin | 10111110101111010… |
… | …01100111000011010 |
3 | 1020001001222201001122 |
4 | 23322331030320122 |
5 | 202203333012023 |
6 | 5514054245242 |
7 | 632126413550 |
oct | 137275147032 |
9 | 36031881048 |
10 | 12800282138 |
11 | 5479475476 |
12 | 2592956822 |
13 | 128cbb5c57 |
14 | 89601bbd0 |
15 | 4edb512c8 |
hex | 2faf4ce1a |
12800282138 has 32 divisors (see below), whose sum is σ = 22961387520. Its totient is φ = 5232656880.
The previous prime is 12800282119. The next prime is 12800282147. The reversal of 12800282138 is 83128200821.
It is a junction number, because it is equal to n+sod(n) for n = 12800282098 and 12800282107.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60233 + ... + 170963.
It is an arithmetic number, because the mean of its divisors is an integer number (717543360).
Almost surely, 212800282138 is an apocalyptic number.
12800282138 is a deficient number, since it is larger than the sum of its proper divisors (10161105382).
12800282138 is a wasteful number, since it uses less digits than its factorization.
12800282138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111122.
The product of its (nonzero) digits is 12288, while the sum is 35.
Adding to 12800282138 its reverse (83128200821), we get a palindrome (95928482959).
The spelling of 12800282138 in words is "twelve billion, eight hundred million, two hundred eighty-two thousand, one hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •