Base | Representation |
---|---|
bin | 10111110111001110… |
… | …11111001001111101 |
3 | 1020001211211212200110 |
4 | 23323213133021331 |
5 | 202214202221122 |
6 | 5515132020233 |
7 | 632322552210 |
oct | 137347371175 |
9 | 36054755613 |
10 | 12811367037 |
11 | 5484756747 |
12 | 2596601679 |
13 | 1292297571 |
14 | 8976a5777 |
15 | 4eeae090c |
hex | 2fb9df27d |
12811367037 has 16 divisors (see below), whose sum is σ = 19769200640. Its totient is φ = 7228112112.
The previous prime is 12811367029. The next prime is 12811367077. The reversal of 12811367037 is 73076311821.
It is not a de Polignac number, because 12811367037 - 23 = 12811367029 is a prime.
It is a super-2 number, since 2×128113670372 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12811366986 and 12811367004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12811367017) 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, 3859513 + ... + 3862830.
It is an arithmetic number, because the mean of its divisors is an integer number (1235575040).
Almost surely, 212811367037 is an apocalyptic number.
It is an amenable number.
12811367037 is a deficient number, since it is larger than the sum of its proper divisors (6957833603).
12811367037 is an equidigital number, since it uses as much as digits as its factorization.
12811367037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7722432.
The product of its (nonzero) digits is 42336, while the sum is 39.
Adding to 12811367037 its reverse (73076311821), we get a palindrome (85887678858).
The spelling of 12811367037 in words is "twelve billion, eight hundred eleven million, three hundred sixty-seven thousand, thirty-seven".
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