Base | Representation |
---|---|
bin | 10111010010001011… |
… | …10001101111111101 |
3 | 1012021011222020201021 |
4 | 23221011301233331 |
5 | 201100114243123 |
6 | 5424225544141 |
7 | 621526561144 |
oct | 135105615775 |
9 | 35234866637 |
10 | 12500540413 |
11 | 5335258039 |
12 | 250a4a5051 |
13 | 1242a7889a |
14 | 8682b475b |
15 | 4d2693c5d |
hex | 2e9171bfd |
12500540413 has 4 divisors (see below), whose sum is σ = 12615224380. Its totient is φ = 12385856448.
The previous prime is 12500540383. The next prime is 12500540483. The reversal of 12500540413 is 31404500521.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11247238809 + 1253301604 = 106053^2 + 35402^2 .
It is a cyclic number.
It is not a de Polignac number, because 12500540413 - 29 = 12500539901 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12500540483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57341820 + ... + 57342037.
It is an arithmetic number, because the mean of its divisors is an integer number (3153806095).
Almost surely, 212500540413 is an apocalyptic number.
It is an amenable number.
12500540413 is a deficient number, since it is larger than the sum of its proper divisors (114683967).
12500540413 is a wasteful number, since it uses less digits than its factorization.
12500540413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114683966.
The product of its (nonzero) digits is 2400, while the sum is 25.
The spelling of 12500540413 in words is "twelve billion, five hundred million, five hundred forty thousand, four hundred thirteen".
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