Base | Representation |
---|---|
bin | 11111000110010111010100… |
… | …10110110111111010100101 |
3 | 22222010212102021001202002112 |
4 | 33203023222112313322211 |
5 | 32430433421143323103 |
6 | 401241110415050405 |
7 | 20255620222321412 |
oct | 1743135226677245 |
9 | 288125367052075 |
10 | 68388401151653 |
11 | 1a8773a3628260 |
12 | 7806169210a05 |
13 | 2c20cc9aa19bb |
14 | 12c6032941109 |
15 | 7d8e14ed0cd8 |
hex | 3e32ea5b7ea5 |
68388401151653 has 8 divisors (see below), whose sum is σ = 74648087322816. Its totient is φ = 62135808112800.
The previous prime is 68388401151649. The next prime is 68388401151671. The reversal of 68388401151653 is 35615110488386.
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 68388401151653 - 22 = 68388401151649 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68388401151592 and 68388401151601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68388400151653) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773262913 + ... + 1773301478.
It is an arithmetic number, because the mean of its divisors is an integer number (9331010915352).
Almost surely, 268388401151653 is an apocalyptic number.
It is an amenable number.
68388401151653 is a deficient number, since it is larger than the sum of its proper divisors (6259686171163).
68388401151653 is a wasteful number, since it uses less digits than its factorization.
68388401151653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3546566155.
The product of its (nonzero) digits is 16588800, while the sum is 59.
The spelling of 68388401151653 in words is "sixty-eight trillion, three hundred eighty-eight billion, four hundred one million, one hundred fifty-one thousand, six hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •