Base | Representation |
---|---|
bin | 10111000000010100… |
… | …01111111001011011 |
3 | 1011212202001110100122 |
4 | 23200022033321123 |
5 | 200243240430111 |
6 | 5401314423455 |
7 | 615030236555 |
oct | 134012177133 |
9 | 34782043318 |
10 | 12350717531 |
11 | 5268726979 |
12 | 2488291b8b |
13 | 121aa0c4a9 |
14 | 8524344d5 |
15 | 4c444bcdb |
hex | 2e028fe5b |
12350717531 has 2 divisors, whose sum is σ = 12350717532. Its totient is φ = 12350717530.
The previous prime is 12350717513. The next prime is 12350717543. The reversal of 12350717531 is 13571705321.
Together with previous prime (12350717513) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is an emirp because it is prime and its reverse (13571705321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12350717531 - 218 = 12350455387 is a prime.
It is a super-2 number, since 2×123507175312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12350717491 and 12350717500.
It is not a weakly prime, because it can be changed into another prime (12350714531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6175358765 + 6175358766.
It is an arithmetic number, because the mean of its divisors is an integer number (6175358766).
Almost surely, 212350717531 is an apocalyptic number.
12350717531 is a deficient number, since it is larger than the sum of its proper divisors (1).
12350717531 is an equidigital number, since it uses as much as digits as its factorization.
12350717531 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 22050, while the sum is 35.
The spelling of 12350717531 in words is "twelve billion, three hundred fifty million, seven hundred seventeen thousand, five hundred thirty-one".
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