Base | Representation |
---|---|
bin | 100000001001011111… |
… | …0111100111111000101 |
3 | 20121012101010012220202 |
4 | 1000102332330333011 |
5 | 2112342210004344 |
6 | 51414323140245 |
7 | 4662553025366 |
oct | 1002276747705 |
9 | 217171105822 |
10 | 69037969349 |
11 | 27308152218 |
12 | 11468814685 |
13 | 668304294b |
14 | 34acd4db6d |
15 | 1be0e2e94e |
hex | 1012fbcfc5 |
69037969349 has 2 divisors, whose sum is σ = 69037969350. Its totient is φ = 69037969348.
The previous prime is 69037969337. The next prime is 69037969393. The reversal of 69037969349 is 94396973096.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 39089244100 + 29948725249 = 197710^2 + 173057^2 .
It is a cyclic number.
It is not a de Polignac number, because 69037969349 - 212 = 69037965253 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (69037969249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34518984674 + 34518984675.
It is an arithmetic number, because the mean of its divisors is an integer number (34518984675).
Almost surely, 269037969349 is an apocalyptic number.
It is an amenable number.
69037969349 is a deficient number, since it is larger than the sum of its proper divisors (1).
69037969349 is an equidigital number, since it uses as much as digits as its factorization.
69037969349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 59521392, while the sum is 65.
The spelling of 69037969349 in words is "sixty-nine billion, thirty-seven million, nine hundred sixty-nine thousand, three hundred forty-nine".
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