Base | Representation |
---|---|
bin | 1010111111110011… |
… | …0111011010011001 |
3 | 21121201122112101022 |
4 | 2233330313122121 |
5 | 22021200442114 |
6 | 1204530532225 |
7 | 133103213615 |
oct | 25774673231 |
9 | 7551575338 |
10 | 2951968409 |
11 | 1285344615 |
12 | 6a4737075 |
13 | 380768090 |
14 | 2000a2345 |
15 | 12425748e |
hex | aff37699 |
2951968409 has 8 divisors (see below), whose sum is σ = 3184466880. Its totient is φ = 2720244816.
The previous prime is 2951968403. The next prime is 2951968427. The reversal of 2951968409 is 9048691592.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2951968409 - 212 = 2951964313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2951968403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185789 + ... + 201050.
It is an arithmetic number, because the mean of its divisors is an integer number (398058360).
Almost surely, 22951968409 is an apocalyptic number.
It is an amenable number.
2951968409 is a deficient number, since it is larger than the sum of its proper divisors (232498471).
2951968409 is a wasteful number, since it uses less digits than its factorization.
2951968409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 387439.
The product of its (nonzero) digits is 1399680, while the sum is 53.
The square root of 2951968409 is about 54332.0201078517. The cubic root of 2951968409 is about 1434.5110628133.
The spelling of 2951968409 in words is "two billion, nine hundred fifty-one million, nine hundred sixty-eight thousand, four hundred nine".
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