Base | Representation |
---|---|
bin | 1100000001000010111010… |
… | …1101001110111010111111 |
3 | 1201210001202011201221001202 |
4 | 3000100232231032322333 |
5 | 3212431341332341111 |
6 | 44033320100130115 |
7 | 2532354141430640 |
oct | 300205655167277 |
9 | 51701664657052 |
10 | 13212103012031 |
11 | 4234248790a80 |
12 | 159471669693b |
13 | 74ab85598871 |
14 | 33967d69b6c7 |
15 | 17da25428b3b |
hex | c042eb4eebf |
13212103012031 has 32 divisors (see below), whose sum is σ = 16633814246400. Its totient is φ = 10194176436480.
The previous prime is 13212103012021. The next prime is 13212103012033. The reversal of 13212103012031 is 13021030121231.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13212103012031 - 26 = 13212103011967 is a prime.
It is a super-2 number, since 2×132121030120312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13212103011994 and 13212103012012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13212103012033) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85014065 + ... + 85169333.
It is an arithmetic number, because the mean of its divisors is an integer number (519806695200).
Almost surely, 213212103012031 is an apocalyptic number.
13212103012031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13212103012031 is a deficient number, since it is larger than the sum of its proper divisors (3421711234369).
13212103012031 is a wasteful number, since it uses less digits than its factorization.
13212103012031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166119.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 13212103012031 its reverse (13021030121231), we get a palindrome (26233133133262).
The spelling of 13212103012031 in words is "thirteen trillion, two hundred twelve billion, one hundred three million, twelve thousand, thirty-one".
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