Base | Representation |
---|---|
bin | 111111010101001111… |
… | …101001100001010100 |
3 | 20111112012001120210111 |
4 | 333111033221201110 |
5 | 2103232023034201 |
6 | 51123442132404 |
7 | 4625104545244 |
oct | 772517514124 |
9 | 214465046714 |
10 | 68002158676 |
11 | 2692649a341 |
12 | 11219951104 |
13 | 6549577a1a |
14 | 341155db24 |
15 | 1b80027b51 |
hex | fd53e9854 |
68002158676 has 18 divisors (see below), whose sum is σ = 121977114350. Its totient is φ = 33171781440.
The previous prime is 68002158649. The next prime is 68002158739. The reversal of 68002158676 is 67685120086.
It can be written as a sum of positive squares in 3 ways, for example, as 1205756176 + 66796402500 = 34724^2 + 258450^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5049951 + ... + 5063398.
Almost surely, 268002158676 is an apocalyptic number.
It is an amenable number.
68002158676 is a deficient number, since it is larger than the sum of its proper divisors (53974955674).
68002158676 is a wasteful number, since it uses less digits than its factorization.
68002158676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10113435 (or 10113392 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 49.
The spelling of 68002158676 in words is "sixty-eight billion, two million, one hundred fifty-eight thousand, six hundred seventy-six".
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