Base | Representation |
---|---|
bin | 11100001110000100… |
… | …10101010000000101 |
3 | 1110002212012221222102 |
4 | 32013002111100011 |
5 | 222012002444011 |
6 | 10543210241445 |
7 | 1044304410242 |
oct | 160702252005 |
9 | 43085187872 |
10 | 15150437381 |
11 | 6475032932 |
12 | 2b29a26285 |
13 | 1575a6c061 |
14 | a3a1c45c9 |
15 | 5da12d73b |
hex | 387095405 |
15150437381 has 2 divisors, whose sum is σ = 15150437382. Its totient is φ = 15150437380.
The previous prime is 15150437359. The next prime is 15150437389. The reversal of 15150437381 is 18373405151.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11144180356 + 4006257025 = 105566^2 + 63295^2 .
It is a cyclic number.
It is not a de Polignac number, because 15150437381 - 214 = 15150420997 is a prime.
It is a super-2 number, since 2×151504373812 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15150437389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575218690 + 7575218691.
It is an arithmetic number, because the mean of its divisors is an integer number (7575218691).
Almost surely, 215150437381 is an apocalyptic number.
It is an amenable number.
15150437381 is a deficient number, since it is larger than the sum of its proper divisors (1).
15150437381 is an equidigital number, since it uses as much as digits as its factorization.
15150437381 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50400, while the sum is 38.
The spelling of 15150437381 in words is "fifteen billion, one hundred fifty million, four hundred thirty-seven thousand, three hundred eighty-one".
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