Base | Representation |
---|---|
bin | 11011111101110011… |
… | …10111010111010001 |
3 | 1102202100111020012002 |
4 | 31332321313113101 |
5 | 221222041000311 |
6 | 10521454043345 |
7 | 1041026615663 |
oct | 157671672721 |
9 | 42670436162 |
10 | 15014000081 |
11 | 6405014533 |
12 | 2ab01a9555 |
13 | 155370b522 |
14 | a2602a533 |
15 | 5cd17c93b |
hex | 37ee775d1 |
15014000081 has 2 divisors, whose sum is σ = 15014000082. Its totient is φ = 15014000080.
The previous prime is 15014000059. The next prime is 15014000087. The reversal of 15014000081 is 18000041051.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11595843856 + 3418156225 = 107684^2 + 58465^2 .
It is a cyclic number.
It is not a de Polignac number, because 15014000081 - 210 = 15013999057 is a prime.
It is a super-2 number, since 2×150140000812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (15014000087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507000040 + 7507000041.
It is an arithmetic number, because the mean of its divisors is an integer number (7507000041).
Almost surely, 215014000081 is an apocalyptic number.
It is an amenable number.
15014000081 is a deficient number, since it is larger than the sum of its proper divisors (1).
15014000081 is an equidigital number, since it uses as much as digits as its factorization.
15014000081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 160, while the sum is 20.
The spelling of 15014000081 in words is "fifteen billion, fourteen million, eighty-one", and thus it is an aban number.
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