Base | Representation |
---|---|
bin | 111111010111010000… |
… | …100110011101111001 |
3 | 20111121112200000021001 |
4 | 333113100212131321 |
5 | 2103314201301440 |
6 | 51131050445001 |
7 | 4625665066342 |
oct | 772720463571 |
9 | 214545600231 |
10 | 68035962745 |
11 | 26943588893 |
12 | 11229133761 |
13 | 655358232a |
14 | 3415c3d0c9 |
15 | 1b82ea3b9a |
hex | fd7426779 |
68035962745 has 8 divisors (see below), whose sum is σ = 81684050184. Its totient is φ = 54401506944.
The previous prime is 68035962727. The next prime is 68035962767. The reversal of 68035962745 is 54726953086.
It can be written as a sum of positive squares in 4 ways, for example, as 21409129 + 68014553616 = 4627^2 + 260796^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68035962745 - 215 = 68035929977 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396924 + ... + 3416893.
It is an arithmetic number, because the mean of its divisors is an integer number (10210506273).
Almost surely, 268035962745 is an apocalyptic number.
It is an amenable number.
68035962745 is a deficient number, since it is larger than the sum of its proper divisors (13648087439).
68035962745 is a wasteful number, since it uses less digits than its factorization.
68035962745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6815819.
The product of its (nonzero) digits is 10886400, while the sum is 55.
The spelling of 68035962745 in words is "sixty-eight billion, thirty-five million, nine hundred sixty-two thousand, seven hundred forty-five".
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