Base | Representation |
---|---|
bin | 10011000110011110110… |
… | …110100110011010010001 |
3 | 11122111010110011222010001 |
4 | 103012132312212122101 |
5 | 133001231303413023 |
6 | 2443003003210001 |
7 | 163556125040551 |
oct | 23063666463221 |
9 | 4574113158101 |
10 | 1312630138513 |
11 | 4667575471a1 |
12 | 192491216901 |
13 | 96a1b97a895 |
14 | 47762b57161 |
15 | 24227b686ad |
hex | 1319eda6691 |
1312630138513 has 8 divisors (see below), whose sum is σ = 1346362063200. Its totient is φ = 1279043924928.
The previous prime is 1312630138441. The next prime is 1312630138517. The reversal of 1312630138513 is 3158310362131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1312630138513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1312630138517) 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, 36409528 + ... + 36445561.
It is an arithmetic number, because the mean of its divisors is an integer number (168295257900).
Almost surely, 21312630138513 is an apocalyptic number.
It is an amenable number.
1312630138513 is a deficient number, since it is larger than the sum of its proper divisors (33731924687).
1312630138513 is an equidigital number, since it uses as much as digits as its factorization.
1312630138513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72855551.
The product of its (nonzero) digits is 38880, while the sum is 37.
The spelling of 1312630138513 in words is "one trillion, three hundred twelve billion, six hundred thirty million, one hundred thirty-eight thousand, five hundred thirteen".
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