Base | Representation |
---|---|
bin | 11111001100110000100010… |
… | …11110111110110001101001 |
3 | 22222220212111111221101000120 |
4 | 33212120101132332301221 |
5 | 32443033342313423200 |
6 | 401530043151353453 |
7 | 20310525461460543 |
oct | 1746302136766151 |
9 | 288825444841016 |
10 | 68608100920425 |
11 | 1a9515943a62a0 |
12 | 7840862222889 |
13 | 2c38940519691 |
14 | 12d29150b4693 |
15 | 7de9c2b689a0 |
hex | 3e66117bec69 |
68608100920425 has 96 divisors (see below), whose sum is σ = 126834477502464. Its totient is φ = 32443609440000.
The previous prime is 68608100920423. The next prime is 68608100920439. The reversal of 68608100920425 is 52402900180686.
It is a happy number.
It is not a de Polignac number, because 68608100920425 - 21 = 68608100920423 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68608100920421) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 561849 + ... + 11727398.
It is an arithmetic number, because the mean of its divisors is an integer number (1321192473984).
Almost surely, 268608100920425 is an apocalyptic number.
It is an amenable number.
68608100920425 is a deficient number, since it is larger than the sum of its proper divisors (58226376582039).
68608100920425 is a wasteful number, since it uses less digits than its factorization.
68608100920425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12289439 (or 12289434 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 51.
The spelling of 68608100920425 in words is "sixty-eight trillion, six hundred eight billion, one hundred million, nine hundred twenty thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •