Base | Representation |
---|---|
bin | 1011111010001111… |
… | …0001110001111011 |
3 | 22020210210222002111 |
4 | 2332203301301323 |
5 | 23021421044404 |
6 | 1245123513151 |
7 | 142140322264 |
oct | 27643616173 |
9 | 8223728074 |
10 | 3197049979 |
11 | 13a0718a72 |
12 | 7528287b7 |
13 | 3bc477b66 |
14 | 22485b96b |
15 | 13aa19104 |
hex | be8f1c7b |
3197049979 has 4 divisors (see below), whose sum is σ = 3336052176. Its totient is φ = 3058047784.
The previous prime is 3197049967. The next prime is 3197050007. The reversal of 3197049979 is 9799407913.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9799407913 = 1021 ⋅9597853.
It is a cyclic number.
It is not a de Polignac number, because 3197049979 - 27 = 3197049851 is a prime.
It is a super-2 number, since 2×31970499792 = 20442257136447800882, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3197044979) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69501064 + ... + 69501109.
It is an arithmetic number, because the mean of its divisors is an integer number (834013044).
Almost surely, 23197049979 is an apocalyptic number.
3197049979 is a deficient number, since it is larger than the sum of its proper divisors (139002197).
3197049979 is a wasteful number, since it uses less digits than its factorization.
3197049979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139002196.
The product of its (nonzero) digits is 3857868, while the sum is 58.
The square root of 3197049979 is about 56542.4617345230. The cubic root of 3197049979 is about 1473.1596281371.
The spelling of 3197049979 in words is "three billion, one hundred ninety-seven million, forty-nine thousand, nine hundred seventy-nine".
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