Base | Representation |
---|---|
bin | 111111010011110111… |
… | …101011010010100001 |
3 | 20111110120122221110120 |
4 | 333103313223102201 |
5 | 2103210122102444 |
6 | 51121255550453 |
7 | 4624404535620 |
oct | 772367532241 |
9 | 214416587416 |
10 | 67979097249 |
11 | 26914478a08 |
12 | 1121208b429 |
13 | 6544861ccb |
14 | 340c4796b7 |
15 | 1b7cebeb19 |
hex | fd3deb4a1 |
67979097249 has 8 divisors (see below), whose sum is σ = 103587195840. Its totient is φ = 38845198416.
The previous prime is 67979097239. The next prime is 67979097257. The reversal of 67979097249 is 94279097976.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 67979097249 - 28 = 67979096993 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (67979097239) 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, 1618549914 + ... + 1618549955.
It is an arithmetic number, because the mean of its divisors is an integer number (12948399480).
Almost surely, 267979097249 is an apocalyptic number.
It is an amenable number.
67979097249 is a deficient number, since it is larger than the sum of its proper divisors (35608098591).
67979097249 is a wasteful number, since it uses less digits than its factorization.
67979097249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3237099879.
The product of its (nonzero) digits is 108020304, while the sum is 69.
The spelling of 67979097249 in words is "sixty-seven billion, nine hundred seventy-nine million, ninety-seven thousand, two hundred forty-nine".
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