Base | Representation |
---|---|
bin | 11000001100001010… |
… | …11001100010001100 |
3 | 1020112002021222001111 |
4 | 30012011121202030 |
5 | 203044131333432 |
6 | 5544404021404 |
7 | 636554340613 |
oct | 140605314214 |
9 | 36462258044 |
10 | 12986980492 |
11 | 55648a2732 |
12 | 2625391864 |
13 | 12bc793955 |
14 | 8b2b3a87a |
15 | 51022e347 |
hex | 30615988c |
12986980492 has 12 divisors (see below), whose sum is σ = 22728071800. Its totient is φ = 6493245696.
The previous prime is 12986980471. The next prime is 12986980499. The reversal of 12986980492 is 29408968921.
It is not an unprimeable number, because it can be changed into a prime (12986980499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114259 + ... + 197557.
Almost surely, 212986980492 is an apocalyptic number.
It is an amenable number.
12986980492 is a deficient number, since it is larger than the sum of its proper divisors (9741091308).
12986980492 is a wasteful number, since it uses less digits than its factorization.
12986980492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122280 (or 122278 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 58.
The spelling of 12986980492 in words is "twelve billion, nine hundred eighty-six million, nine hundred eighty thousand, four hundred ninety-two".
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