Base | Representation |
---|---|
bin | 1011000000110010111001… |
… | …1001100011101101011111 |
3 | 1120212112121122012001111101 |
4 | 2300030232121203231133 |
5 | 3041340240030243411 |
6 | 41430245555333531 |
7 | 2356536513354316 |
oct | 260145631435537 |
9 | 46775548161441 |
10 | 12108291259231 |
11 | 3949108831762 |
12 | 14368022b12a7 |
13 | 69aa64b9c87b |
14 | 2dc089c8327d |
15 | 15ee6eed98c1 |
hex | b032e663b5f |
12108291259231 has 2 divisors, whose sum is σ = 12108291259232. Its totient is φ = 12108291259230.
The previous prime is 12108291259121. The next prime is 12108291259271. The reversal of 12108291259231 is 13295219280121.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12108291259231 is a prime.
It is a super-2 number, since 2×121082912592312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12108291259271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6054145629615 + 6054145629616.
It is an arithmetic number, because the mean of its divisors is an integer number (6054145629616).
Almost surely, 212108291259231 is an apocalyptic number.
12108291259231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12108291259231 is an equidigital number, since it uses as much as digits as its factorization.
12108291259231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 155520, while the sum is 46.
The spelling of 12108291259231 in words is "twelve trillion, one hundred eight billion, two hundred ninety-one million, two hundred fifty-nine thousand, two hundred thirty-one".
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