Base | Representation |
---|---|
bin | 10100011011011111… |
… | …01011001111101101 |
3 | 1001022101021010212002 |
4 | 22031233223033231 |
5 | 134430303114244 |
6 | 5012202422045 |
7 | 535540426355 |
oct | 121557531755 |
9 | 31271233762 |
10 | 10968019949 |
11 | 47191857a7 |
12 | 2161201925 |
13 | 105a40b343 |
14 | 760947b65 |
15 | 442d73a4e |
hex | 28dbeb3ed |
10968019949 has 2 divisors, whose sum is σ = 10968019950. Its totient is φ = 10968019948.
The previous prime is 10968019939. The next prime is 10968019961. The reversal of 10968019949 is 94991086901.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9822197449 + 1145822500 = 99107^2 + 33850^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10968019949 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10968019894 and 10968019903.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10968019919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5484009974 + 5484009975.
It is an arithmetic number, because the mean of its divisors is an integer number (5484009975).
Almost surely, 210968019949 is an apocalyptic number.
It is an amenable number.
10968019949 is a deficient number, since it is larger than the sum of its proper divisors (1).
10968019949 is an equidigital number, since it uses as much as digits as its factorization.
10968019949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1259712, while the sum is 56.
The spelling of 10968019949 in words is "ten billion, nine hundred sixty-eight million, nineteen thousand, nine hundred forty-nine".
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