Base | Representation |
---|---|
bin | 10111001111110000… |
… | …11110111001011011 |
3 | 1012012202211211001111 |
4 | 23213320132321123 |
5 | 201024422344412 |
6 | 5422223401151 |
7 | 621162420313 |
oct | 134770367133 |
9 | 35182754044 |
10 | 12480278107 |
11 | 5324878730 |
12 | 25037531b7 |
13 | 123b802c5b |
14 | 86571c443 |
15 | 4d09e02a7 |
hex | 2e7e1ee5b |
12480278107 has 16 divisors (see below), whose sum is σ = 14070399840. Its totient is φ = 10970982400.
The previous prime is 12480278089. The next prime is 12480278113. The reversal of 12480278107 is 70187208421.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12480278107 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12480278107.
It is not an unprimeable number, because it can be changed into a prime (12480278137) 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, 71482 + ... + 173407.
It is an arithmetic number, because the mean of its divisors is an integer number (879399990).
Almost surely, 212480278107 is an apocalyptic number.
12480278107 is a deficient number, since it is larger than the sum of its proper divisors (1590121733).
12480278107 is a wasteful number, since it uses less digits than its factorization.
12480278107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245054.
The product of its (nonzero) digits is 50176, while the sum is 40.
The spelling of 12480278107 in words is "twelve billion, four hundred eighty million, two hundred seventy-eight thousand, one hundred seven".
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