Base | Representation |
---|---|
bin | 11000011100001001… |
… | …10000100010110111 |
3 | 1020212102112101212012 |
4 | 30032010300202313 |
5 | 203332440432302 |
6 | 10005553114435 |
7 | 643102626506 |
oct | 141604604267 |
9 | 36772471765 |
10 | 13121030327 |
11 | 5623530319 |
12 | 2662258a1b |
13 | 1311499892 |
14 | 8c687283d |
15 | 51bdaca52 |
hex | 30e1308b7 |
13121030327 has 2 divisors, whose sum is σ = 13121030328. Its totient is φ = 13121030326.
The previous prime is 13121030303. The next prime is 13121030339. The reversal of 13121030327 is 72303012131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13121030327 - 220 = 13119981751 is a prime.
It is a super-2 number, since 2×131210303272 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13121030387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560515163 + 6560515164.
It is an arithmetic number, because the mean of its divisors is an integer number (6560515164).
Almost surely, 213121030327 is an apocalyptic number.
13121030327 is a deficient number, since it is larger than the sum of its proper divisors (1).
13121030327 is an equidigital number, since it uses as much as digits as its factorization.
13121030327 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 756, while the sum is 23.
Adding to 13121030327 its reverse (72303012131), we get a palindrome (85424042458).
The spelling of 13121030327 in words is "thirteen billion, one hundred twenty-one million, thirty thousand, three hundred twenty-seven".
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