Base | Representation |
---|---|
bin | 100000000110010010… |
… | …1001110000111011000 |
3 | 20120220220000021122012 |
4 | 1000030211032013120 |
5 | 2112132210413342 |
6 | 51355525045052 |
7 | 4660110045104 |
oct | 1001445160730 |
9 | 216826007565 |
10 | 68930560472 |
11 | 27262560354 |
12 | 11438856788 |
13 | 6666a06ab7 |
14 | 349c990904 |
15 | 1bd67b4b82 |
hex | 100c94e1d8 |
68930560472 has 8 divisors (see below), whose sum is σ = 129244800900. Its totient is φ = 34465280232.
The previous prime is 68930560451. The next prime is 68930560483. The reversal of 68930560472 is 27406503986.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 68930560472.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4308160022 + ... + 4308160037.
Almost surely, 268930560472 is an apocalyptic number.
It is an amenable number.
68930560472 is a deficient number, since it is larger than the sum of its proper divisors (60314240428).
68930560472 is a wasteful number, since it uses less digits than its factorization.
68930560472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8616320065 (or 8616320061 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 50.
The spelling of 68930560472 in words is "sixty-eight billion, nine hundred thirty million, five hundred sixty thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •