Base | Representation |
---|---|
bin | 1011101000010111… |
… | …1110110101010101 |
3 | 22001120211122120010 |
4 | 2322011332311111 |
5 | 22343231132021 |
6 | 1233450030433 |
7 | 140240445405 |
oct | 27205766525 |
9 | 8046748503 |
10 | 3122130261 |
11 | 13623a7748 |
12 | 731718419 |
13 | 3a9aa5c73 |
14 | 218918805 |
15 | 13416a976 |
hex | ba17ed55 |
3122130261 has 8 divisors (see below), whose sum is σ = 4173223104. Its totient is φ = 2076228800.
The previous prime is 3122130259. The next prime is 3122130329. The reversal of 3122130261 is 1620312213.
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 3122130261 - 21 = 3122130259 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3122130161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296441 + ... + 1298846.
It is an arithmetic number, because the mean of its divisors is an integer number (521652888).
Almost surely, 23122130261 is an apocalyptic number.
It is an amenable number.
3122130261 is a deficient number, since it is larger than the sum of its proper divisors (1051092843).
3122130261 is a wasteful number, since it uses less digits than its factorization.
3122130261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2595691.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 3122130261 is about 55876.0258160868. The cubic root of 3122130261 is about 1461.5612030993.
Adding to 3122130261 its reverse (1620312213), we get a palindrome (4742442474).
The spelling of 3122130261 in words is "three billion, one hundred twenty-two million, one hundred thirty thousand, two hundred sixty-one".
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