Base | Representation |
---|---|
bin | 1011111101101011011001… |
… | …1111011000111010101111 |
3 | 1201120112102101222202121122 |
4 | 2333122312133120322233 |
5 | 3211004401343322231 |
6 | 43550551342251155 |
7 | 2525235421153364 |
oct | 277326637307257 |
9 | 51515371882548 |
10 | 13154251542191 |
11 | 4211761079481 |
12 | 1585470286abb |
13 | 745595cbb8c6 |
14 | 3369522c846b |
15 | 17c28b62777b |
hex | bf6b67d8eaf |
13154251542191 has 2 divisors, whose sum is σ = 13154251542192. Its totient is φ = 13154251542190.
The previous prime is 13154251542167. The next prime is 13154251542217. The reversal of 13154251542191 is 19124515245131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13154251542191 - 218 = 13154251280047 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13154251542791) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577125771095 + 6577125771096.
It is an arithmetic number, because the mean of its divisors is an integer number (6577125771096).
Almost surely, 213154251542191 is an apocalyptic number.
13154251542191 is a deficient number, since it is larger than the sum of its proper divisors (1).
13154251542191 is an equidigital number, since it uses as much as digits as its factorization.
13154251542191 is an evil number, because the sum of its binary digits is even.
The product of its digits is 216000, while the sum is 44.
The spelling of 13154251542191 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty-one million, five hundred forty-two thousand, one hundred ninety-one".
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