Base | Representation |
---|---|
bin | 11001001110010111… |
… | …11100100110110011 |
3 | 1021221210022102010111 |
4 | 30213023330212303 |
5 | 210213320021024 |
6 | 10115443242151 |
7 | 656410014541 |
oct | 144713744663 |
9 | 37853272114 |
10 | 13542345139 |
11 | 581a334384 |
12 | 275b379357 |
13 | 137a861b9b |
14 | 9267c4d91 |
15 | 543d81a94 |
hex | 3272fc9b3 |
13542345139 has 2 divisors, whose sum is σ = 13542345140. Its totient is φ = 13542345138.
The previous prime is 13542345101. The next prime is 13542345143. The reversal of 13542345139 is 93154324531.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13542345139 - 213 = 13542336947 is a prime.
It is a super-2 number, since 2×135423451392 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13542345169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771172569 + 6771172570.
It is an arithmetic number, because the mean of its divisors is an integer number (6771172570).
Almost surely, 213542345139 is an apocalyptic number.
13542345139 is a deficient number, since it is larger than the sum of its proper divisors (1).
13542345139 is an equidigital number, since it uses as much as digits as its factorization.
13542345139 is an evil number, because the sum of its binary digits is even.
The product of its digits is 194400, while the sum is 40.
The spelling of 13542345139 in words is "thirteen billion, five hundred forty-two million, three hundred forty-five thousand, one hundred thirty-nine".
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