Base | Representation |
---|---|
bin | 111111101010101000… |
… | …101101010110110101 |
3 | 20112110012101010111011 |
4 | 333222220231112311 |
5 | 2110000412041100 |
6 | 51223222312221 |
7 | 4640023222246 |
oct | 775250552665 |
9 | 215405333434 |
10 | 68361049525 |
11 | 26aa003734a |
12 | 112b9b88671 |
13 | 65a5a24982 |
14 | 34470a2ccd |
15 | 1ba17babba |
hex | feaa2d5b5 |
68361049525 has 12 divisors (see below), whose sum is σ = 89229160000. Its totient is φ = 51810479280.
The previous prime is 68361049483. The next prime is 68361049541. The reversal of 68361049525 is 52594016386.
It is not a de Polignac number, because 68361049525 - 29 = 68361049013 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71958525 + ... + 71959474.
Almost surely, 268361049525 is an apocalyptic number.
It is an amenable number.
68361049525 is a deficient number, since it is larger than the sum of its proper divisors (20868110475).
68361049525 is a wasteful number, since it uses less digits than its factorization.
68361049525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143918028 (or 143918023 counting only the distinct ones).
The product of its (nonzero) digits is 1555200, while the sum is 49.
The spelling of 68361049525 in words is "sixty-eight billion, three hundred sixty-one million, forty-nine thousand, five hundred twenty-five".
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