Base | Representation |
---|---|
bin | 11010000011100100… |
… | …10010001111110111 |
3 | 1100002220000122122122 |
4 | 31001302102033313 |
5 | 212122040242441 |
6 | 10232024150155 |
7 | 1003436106515 |
oct | 150162221767 |
9 | 40086018578 |
10 | 13988602871 |
11 | 5a29224421 |
12 | 286490835b |
13 | 141c14b409 |
14 | 969b8b4b5 |
15 | 56d13134b |
hex | 341c923f7 |
13988602871 has 2 divisors, whose sum is σ = 13988602872. Its totient is φ = 13988602870.
The previous prime is 13988602819. The next prime is 13988602879. The reversal of 13988602871 is 17820688931.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13988602871 - 218 = 13988340727 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13988602879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6994301435 + 6994301436.
It is an arithmetic number, because the mean of its divisors is an integer number (6994301436).
Almost surely, 213988602871 is an apocalyptic number.
13988602871 is a deficient number, since it is larger than the sum of its proper divisors (1).
13988602871 is an equidigital number, since it uses as much as digits as its factorization.
13988602871 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1161216, while the sum is 53.
The spelling of 13988602871 in words is "thirteen billion, nine hundred eighty-eight million, six hundred two thousand, eight hundred seventy-one".
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