Base | Representation |
---|---|
bin | 1101000001001010… |
… | …10111010111100111 |
3 | 200001002020220222121 |
4 | 12200211113113213 |
5 | 103303203220103 |
6 | 3113305010411 |
7 | 335124341056 |
oct | 64045272747 |
9 | 20032226877 |
10 | 6989116903 |
11 | 2a671a0a7a |
12 | 1430783a07 |
13 | 874c95442 |
14 | 4a432639d |
15 | 2ad8b96bd |
hex | 1a09575e7 |
6989116903 has 2 divisors, whose sum is σ = 6989116904. Its totient is φ = 6989116902.
The previous prime is 6989116861. The next prime is 6989116909. The reversal of 6989116903 is 3096119896.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 6989116903 - 229 = 6452245991 is a prime.
It is a super-2 number, since 2×69891169032 = 97695510167600622818, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6989116909) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494558451 + 3494558452.
It is an arithmetic number, because the mean of its divisors is an integer number (3494558452).
Almost surely, 26989116903 is an apocalyptic number.
6989116903 is a deficient number, since it is larger than the sum of its proper divisors (1).
6989116903 is an equidigital number, since it uses as much as digits as its factorization.
6989116903 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 629856, while the sum is 52.
The square root of 6989116903 is about 83600.9384098049. The cubic root of 6989116903 is about 1911.9393059133.
The spelling of 6989116903 in words is "six billion, nine hundred eighty-nine million, one hundred sixteen thousand, nine hundred three".
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