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7694904012961 = 11242125992
BaseRepresentation
bin110111111111001110000…
…0001010011000010100001
31000020121220002110102002111
41233332130001103002201
52002033130411403321
624210553510115321
71422636615626524
oct157763401230241
930217802412074
107694904012961
1124a7432789500
12a433a794bb41
1343a81b099909
141c8614810bbb
15d52671de5e1
hex6ff9c0530a1

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".

Divisors: 1 11 121 421 599 4631 6589 50941 72479 177241 252179 358801 1949651 2773969 3946811 21446161 30513659 43414921 106167359 151055221 1167840949 1661607431 12846250439 18277681741 63594248041 699536728451 7694904012961