Base | Representation |
---|---|
bin | 10110100010100100… |
… | …01001100010101001 |
3 | 1011020100102010012011 |
4 | 23101102021202221 |
5 | 144240342133114 |
6 | 5320441115521 |
7 | 605606624404 |
oct | 132122114251 |
9 | 34210363164 |
10 | 12101130409 |
11 | 514a855425 |
12 | 2418788ba1 |
13 | 11ab0b29c4 |
14 | 82b224d3b |
15 | 4ac59a1c4 |
hex | 2d14898a9 |
12101130409 has 4 divisors (see below), whose sum is σ = 12218617216. Its totient is φ = 11983643604.
The previous prime is 12101130367. The next prime is 12101130427. The reversal of 12101130409 is 90403110121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12101130409 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 12101130409.
It is not an unprimeable number, because it can be changed into a prime (12101130709) 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, 58743249 + ... + 58743454.
It is an arithmetic number, because the mean of its divisors is an integer number (3054654304).
Almost surely, 212101130409 is an apocalyptic number.
It is an amenable number.
12101130409 is a deficient number, since it is larger than the sum of its proper divisors (117486807).
12101130409 is a wasteful number, since it uses less digits than its factorization.
12101130409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117486806.
The product of its (nonzero) digits is 216, while the sum is 22.
The spelling of 12101130409 in words is "twelve billion, one hundred one million, one hundred thirty thousand, four hundred nine".
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