Base | Representation |
---|---|
bin | 11000000010001011… |
… | …00101110001111011 |
3 | 1020022020112122210101 |
4 | 30001011211301323 |
5 | 202411201111241 |
6 | 5532211100231 |
7 | 634515630202 |
oct | 140105456173 |
9 | 36266478711 |
10 | 12903144571 |
11 | 5521541549 |
12 | 26012a1677 |
13 | 12a82bc5b5 |
14 | 8a5956239 |
15 | 507bbde31 |
hex | 301165c7b |
12903144571 has 2 divisors, whose sum is σ = 12903144572. Its totient is φ = 12903144570.
The previous prime is 12903144533. The next prime is 12903144581. The reversal of 12903144571 is 17544130921.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12903144571 - 217 = 12903013499 is a prime.
It is a super-2 number, since 2×129031445712 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12903144571.
It is not a weakly prime, because it can be changed into another prime (12903144581) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6451572285 + 6451572286.
It is an arithmetic number, because the mean of its divisors is an integer number (6451572286).
Almost surely, 212903144571 is an apocalyptic number.
12903144571 is a deficient number, since it is larger than the sum of its proper divisors (1).
12903144571 is an equidigital number, since it uses as much as digits as its factorization.
12903144571 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 37.
The spelling of 12903144571 in words is "twelve billion, nine hundred three million, one hundred forty-four thousand, five hundred seventy-one".
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