Base | Representation |
---|---|
bin | 111111011011000111… |
… | …100110101000001100 |
3 | 20111210001111122212121 |
4 | 333123013212220030 |
5 | 2103432240303342 |
6 | 51141322342324 |
7 | 4630412336455 |
oct | 773307465014 |
9 | 214701448777 |
10 | 68100712972 |
11 | 26977093676 |
12 | 1124695a9a4 |
13 | 6563b03486 |
14 | 342069612c |
15 | 1b889e4067 |
hex | fdb1e6a0c |
68100712972 has 12 divisors (see below), whose sum is σ = 124357823856. Its totient is φ = 32569906160.
The previous prime is 68100712961. The next prime is 68100713003. The reversal of 68100712972 is 27921700186.
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, 370112479 + ... + 370112662.
It is an arithmetic number, because the mean of its divisors is an integer number (10363151988).
Almost surely, 268100712972 is an apocalyptic number.
It is an amenable number.
68100712972 is a deficient number, since it is larger than the sum of its proper divisors (56257110884).
68100712972 is a wasteful number, since it uses less digits than its factorization.
68100712972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740225168 (or 740225166 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 43.
The spelling of 68100712972 in words is "sixty-eight billion, one hundred million, seven hundred twelve thousand, nine hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •