Base | Representation |
---|---|
bin | 1011000011010001000010… |
… | …1000111010011100011111 |
3 | 1121000121012002001212211212 |
4 | 2300310100220322130133 |
5 | 3043034204330002431 |
6 | 41501550150335035 |
7 | 2362601463556262 |
oct | 260642050723437 |
9 | 47017162055755 |
10 | 12150741640991 |
11 | 3965111983898 |
12 | 1442a8a95a47b |
13 | 6a1a6b7cab65 |
14 | 300155a66cd9 |
15 | 161106b9a72b |
hex | b0d10a3a71f |
12150741640991 has 2 divisors, whose sum is σ = 12150741640992. Its totient is φ = 12150741640990.
The previous prime is 12150741640987. The next prime is 12150741641009. The reversal of 12150741640991 is 19904614705121.
It is a weak prime.
It is an emirp because it is prime and its reverse (19904614705121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12150741640991 - 22 = 12150741640987 is a prime.
It is a super-2 number, since 2×121507416409912 (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 (12150741640931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6075370820495 + 6075370820496.
It is an arithmetic number, because the mean of its divisors is an integer number (6075370820496).
Almost surely, 212150741640991 is an apocalyptic number.
12150741640991 is a deficient number, since it is larger than the sum of its proper divisors (1).
12150741640991 is an equidigital number, since it uses as much as digits as its factorization.
12150741640991 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 544320, while the sum is 50.
The spelling of 12150741640991 in words is "twelve trillion, one hundred fifty billion, seven hundred forty-one million, six hundred forty thousand, nine hundred ninety-one".
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