Base | Representation |
---|---|
bin | 10111101111111110… |
… | …00011001010011000 |
3 | 1012220121012012121011 |
4 | 23313333003022120 |
5 | 202103102404333 |
6 | 5505114023304 |
7 | 630652623535 |
oct | 136777031230 |
9 | 35817165534 |
10 | 12750434968 |
11 | 5453319567 |
12 | 257a117b34 |
13 | 128278229b |
14 | 88d563d8c |
15 | 4e95a69cd |
hex | 2f7fc3298 |
12750434968 has 8 divisors (see below), whose sum is σ = 23907065580. Its totient is φ = 6375217480.
The previous prime is 12750434909. The next prime is 12750434981. The reversal of 12750434968 is 86943405721.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×127504349682 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796902178 + ... + 796902193.
It is a 1-persistent number, because it is pandigital, but 2⋅12750434968 = 25500869936 is not.
Almost surely, 212750434968 is an apocalyptic number.
It is an amenable number.
12750434968 is a deficient number, since it is larger than the sum of its proper divisors (11156630612).
12750434968 is a wasteful number, since it uses less digits than its factorization.
12750434968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1593804377 (or 1593804373 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 12750434968 in words is "twelve billion, seven hundred fifty million, four hundred thirty-four thousand, nine hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •