Base | Representation |
---|---|
bin | 111111111110000001… |
… | …011010010010011000 |
3 | 20120021212101011110012 |
4 | 333332001122102120 |
5 | 2111132142321440 |
6 | 51315401341052 |
7 | 4651052564345 |
oct | 777601322230 |
9 | 216255334405 |
10 | 68686292120 |
11 | 27147691986 |
12 | 1138aa97788 |
13 | 6628220204 |
14 | 34783677cc |
15 | 1bc0113e65 |
hex | ffe05a498 |
68686292120 has 32 divisors (see below), whose sum is σ = 154853910000. Its totient is φ = 27419449728.
The previous prime is 68686292117. The next prime is 68686292123. The reversal of 68686292120 is 2129268686.
It is an interprime number because it is at equal distance from previous prime (68686292117) and next prime (68686292123).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68686292123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700639 + ... + 1740558.
Almost surely, 268686292120 is an apocalyptic number.
It is an amenable number.
68686292120 is an abundant number, since it is smaller than the sum of its proper divisors (86167617880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68686292120 is a wasteful number, since it uses less digits than its factorization.
68686292120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3441707 (or 3441703 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 50.
The spelling of 68686292120 in words is "sixty-eight billion, six hundred eighty-six million, two hundred ninety-two thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •