Base | Representation |
---|---|
bin | 10011000110000101111… |
… | …111110110011011010101 |
3 | 11122110001101111220002220 |
4 | 103012011333312123111 |
5 | 132444403030224023 |
6 | 2442453345252553 |
7 | 163542602411226 |
oct | 23060577663325 |
9 | 4573041456086 |
10 | 1312213133013 |
11 | 466563116852 |
12 | 192395634159 |
13 | 96983463b73 |
14 | 4772360724d |
15 | 242012463e3 |
hex | 13185ff66d5 |
1312213133013 has 8 divisors (see below), whose sum is σ = 1749680686848. Its totient is φ = 874777167264.
The previous prime is 1312213133003. The next prime is 1312213133053. The reversal of 1312213133013 is 3103313122131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1312213133013 - 210 = 1312213131989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312213133003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7799920 + ... + 7966377.
It is an arithmetic number, because the mean of its divisors is an integer number (218710085856).
Almost surely, 21312213133013 is an apocalyptic number.
It is an amenable number.
1312213133013 is a deficient number, since it is larger than the sum of its proper divisors (437467553835).
1312213133013 is a wasteful number, since it uses less digits than its factorization.
1312213133013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15794043.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 1312213133013 its reverse (3103313122131), we get a palindrome (4415526255144).
The spelling of 1312213133013 in words is "one trillion, three hundred twelve billion, two hundred thirteen million, one hundred thirty-three thousand, thirteen".
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