Base | Representation |
---|---|
bin | 11001011001111010… |
… | …00010000110010001 |
3 | 1022012112101000011021 |
4 | 30230331002012101 |
5 | 210413102130034 |
6 | 10133221115441 |
7 | 661663266232 |
oct | 145475020621 |
9 | 38175330137 |
10 | 13639098769 |
11 | 5869a0885a |
12 | 2787858b81 |
13 | 1394909b5a |
14 | 9355ad089 |
15 | 54c5e46b4 |
hex | 32cf42191 |
13639098769 has 2 divisors, whose sum is σ = 13639098770. Its totient is φ = 13639098768.
The previous prime is 13639098677. The next prime is 13639098773. The reversal of 13639098769 is 96789093631.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12794324544 + 844774225 = 113112^2 + 29065^2 .
It is a cyclic number.
It is not a de Polignac number, because 13639098769 - 211 = 13639096721 is a prime.
It is a super-2 number, since 2×136390987692 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13639008769) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6819549384 + 6819549385.
It is an arithmetic number, because the mean of its divisors is an integer number (6819549385).
Almost surely, 213639098769 is an apocalyptic number.
It is an amenable number.
13639098769 is a deficient number, since it is larger than the sum of its proper divisors (1).
13639098769 is an equidigital number, since it uses as much as digits as its factorization.
13639098769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13226976, while the sum is 61.
The spelling of 13639098769 in words is "thirteen billion, six hundred thirty-nine million, ninety-eight thousand, seven hundred sixty-nine".
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