Base | Representation |
---|---|
bin | 11000101011100110… |
… | …01000010001010101 |
3 | 1021012110101120120211 |
4 | 30111303020101111 |
5 | 204114130023040 |
6 | 10030502525421 |
7 | 646235316364 |
oct | 142563102125 |
9 | 37173346524 |
10 | 13250626645 |
11 | 568a6a6a13 |
12 | 2699736871 |
13 | 13322a36a9 |
14 | 8d9b697db |
15 | 52845b8ea |
hex | 315cc8455 |
13250626645 has 8 divisors (see below), whose sum is σ = 15901402680. Its totient is φ = 10600067520.
The previous prime is 13250626643. The next prime is 13250626667. The reversal of 13250626645 is 54662605231.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 3349978641 + 9900648004 = 57879^2 + 99502^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13250626645 - 21 = 13250626643 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13250626598 and 13250626607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13250626643) 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, 150315 + ... + 221575.
It is an arithmetic number, because the mean of its divisors is an integer number (1987675335).
Almost surely, 213250626645 is an apocalyptic number.
It is an amenable number.
13250626645 is a deficient number, since it is larger than the sum of its proper divisors (2650776035).
13250626645 is an equidigital number, since it uses as much as digits as its factorization.
13250626645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108455.
The product of its (nonzero) digits is 259200, while the sum is 40.
The spelling of 13250626645 in words is "thirteen billion, two hundred fifty million, six hundred twenty-six thousand, six hundred forty-five".
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