Base | Representation |
---|---|
bin | 111111110010110100… |
… | …011011010010010100 |
3 | 20112210202201011012012 |
4 | 333302310123102110 |
5 | 2110241033321324 |
6 | 51245005043352 |
7 | 4643311163066 |
oct | 776264332224 |
9 | 215722634165 |
10 | 68498338964 |
11 | 270605879a0 |
12 | 11337b56558 |
13 | 65c82c3323 |
14 | 345b3dd736 |
15 | 1bad88920e |
hex | ff2d1b494 |
68498338964 has 48 divisors (see below), whose sum is σ = 133038884160. Its totient is φ = 30595714560.
The previous prime is 68498338963. The next prime is 68498338967. The reversal of 68498338964 is 46983389486.
It is a junction number, because it is equal to n+sod(n) for n = 68498338894 and 68498338903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68498338963) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10840334 + ... + 10846650.
It is an arithmetic number, because the mean of its divisors is an integer number (2771643420).
Almost surely, 268498338964 is an apocalyptic number.
It is an amenable number.
68498338964 is a deficient number, since it is larger than the sum of its proper divisors (64540545196).
68498338964 is a wasteful number, since it uses less digits than its factorization.
68498338964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10568 (or 10566 counting only the distinct ones).
The product of its digits is 214990848, while the sum is 68.
The spelling of 68498338964 in words is "sixty-eight billion, four hundred ninety-eight million, three hundred thirty-eight thousand, nine hundred sixty-four".
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