Base | Representation |
---|---|
bin | 1110110110101100… |
… | …00100011100001101 |
3 | 202120210022002112102 |
4 | 13123112010130031 |
5 | 112313042303312 |
6 | 3355203044445 |
7 | 401425031603 |
oct | 73326043415 |
9 | 22523262472 |
10 | 7974962957 |
11 | 3422727785 |
12 | 1666970725 |
13 | 9a12b80c0 |
14 | 55922b873 |
15 | 31a201ec2 |
hex | 1db58470d |
7974962957 has 8 divisors (see below), whose sum is σ = 8589428736. Its totient is φ = 7360641072.
The previous prime is 7974962911. The next prime is 7974962959. The reversal of 7974962957 is 7592694797.
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 7974962957 - 218 = 7974700813 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7974962893 and 7974962902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7974962959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97508 + ... + 159554.
It is an arithmetic number, because the mean of its divisors is an integer number (1073678592).
Almost surely, 27974962957 is an apocalyptic number.
It is an amenable number.
7974962957 is a deficient number, since it is larger than the sum of its proper divisors (614465779).
7974962957 is a wasteful number, since it uses less digits than its factorization.
7974962957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71947.
The product of its digits is 60011280, while the sum is 65.
The square root of 7974962957 is about 89302.6480962351. The cubic root of 7974962957 is about 1997.9113993830.
The spelling of 7974962957 in words is "seven billion, nine hundred seventy-four million, nine hundred sixty-two thousand, nine hundred fifty-seven".
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