Base | Representation |
---|---|
bin | 100000000000010101… |
… | …0000111101011111110 |
3 | 20120101221121002022202 |
4 | 1000000222013223332 |
5 | 2111230003041040 |
6 | 51324021311502 |
7 | 4652130523511 |
oct | 1000052075376 |
9 | 216357532282 |
10 | 68730518270 |
11 | 2716a649717 |
12 | 113a1865592 |
13 | 663443652b |
14 | 348019ad78 |
15 | 1bc3e4d015 |
hex | 1000a87afe |
68730518270 has 8 divisors (see below), whose sum is σ = 123714932904. Its totient is φ = 27492207304.
The previous prime is 68730518251. The next prime is 68730518323. The reversal of 68730518270 is 7281503786.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436525904 + ... + 3436525923.
It is an arithmetic number, because the mean of its divisors is an integer number (15464366613).
Almost surely, 268730518270 is an apocalyptic number.
68730518270 is a deficient number, since it is larger than the sum of its proper divisors (54984414634).
68730518270 is a wasteful number, since it uses less digits than its factorization.
68730518270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6873051834.
The product of its (nonzero) digits is 564480, while the sum is 47.
The spelling of 68730518270 in words is "sixty-eight billion, seven hundred thirty million, five hundred eighteen thousand, two hundred seventy".
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