Base | Representation |
---|---|
bin | 110111111111001110000… |
… | …0001010011000010100001 |
3 | 1000020121220002110102002111 |
4 | 1233332130001103002201 |
5 | 2002033130411403321 |
6 | 24210553510115321 |
7 | 1422636615626524 |
oct | 157763401230241 |
9 | 30217802412074 |
10 | 7694904012961 |
11 | 24a7432789500 |
12 | a433a794bb41 |
13 | 43a81b099909 |
14 | 1c8614810bbb |
15 | d52671de5e1 |
hex | 6ff9c0530a1 |
7694904012961 has 27 divisors (see below), whose sum is σ = 8492350561779. Its totient is φ = 6967100540400.
The previous prime is 7694904012911. The next prime is 7694904012979. The reversal of 7694904012961 is 1692104094967.
The square root of 7694904012961 is 2773969.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 36511948561 + 7658392064400 = 191081^2 + 2767380^2 .
It is not a de Polignac number, because 7694904012961 - 213 = 7694904004769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7694904012896 and 7694904012905.
It is not an unprimeable number, because it can be changed into a prime (7694904012911) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12846250140 + ... + 12846250738.
Almost surely, 27694904012961 is an apocalyptic number.
7694904012961 is the 2773969-th square number.
7694904012961 is the 1386985-th centered octagonal number.
It is an amenable number.
7694904012961 is a deficient number, since it is larger than the sum of its proper divisors (797446548818).
7694904012961 is an frugal number, since it uses more digits than its factorization.
7694904012961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2062 (or 1031 counting only the distinct ones).
The product of its (nonzero) digits is 5878656, while the sum is 58.
The spelling of 7694904012961 in words is "seven trillion, six hundred ninety-four billion, nine hundred four million, twelve thousand, nine hundred sixty-one".
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