Base | Representation |
---|---|
bin | 11001011000111000… |
… | …01101001011110111 |
3 | 1022011221011210212001 |
4 | 30230130031023313 |
5 | 210403401242211 |
6 | 10132312440131 |
7 | 661530165622 |
oct | 145434151367 |
9 | 38157153761 |
10 | 13630493431 |
11 | 5865070505 |
12 | 27849a9047 |
13 | 1392bb6039 |
14 | 9343acdb9 |
15 | 54b994ac1 |
hex | 32c70d2f7 |
13630493431 has 2 divisors, whose sum is σ = 13630493432. Its totient is φ = 13630493430.
The previous prime is 13630493369. The next prime is 13630493489. The reversal of 13630493431 is 13439403631.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13630493431 - 29 = 13630492919 is a prime.
It is a super-2 number, since 2×136304934312 (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 (13630493531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815246715 + 6815246716.
It is an arithmetic number, because the mean of its divisors is an integer number (6815246716).
Almost surely, 213630493431 is an apocalyptic number.
13630493431 is a deficient number, since it is larger than the sum of its proper divisors (1).
13630493431 is an equidigital number, since it uses as much as digits as its factorization.
13630493431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 69984, while the sum is 37.
The spelling of 13630493431 in words is "thirteen billion, six hundred thirty million, four hundred ninety-three thousand, four hundred thirty-one".
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