Base | Representation |
---|---|
bin | 11111000101010101111… |
… | …11011011011110100111 |
3 | 10210002202012021011000221 |
4 | 33202222333123132213 |
5 | 114444301241100001 |
6 | 2134350352545211 |
7 | 140106355453525 |
oct | 17425277333647 |
9 | 3702665234027 |
10 | 1068020643751 |
11 | 381a438a0356 |
12 | 152ba5b52207 |
13 | 79938616279 |
14 | 3999a219315 |
15 | 1cbad1e11a1 |
hex | f8aafdb7a7 |
1068020643751 has 8 divisors (see below), whose sum is σ = 1124264839680. Its totient is φ = 1011779706168.
The previous prime is 1068020643737. The next prime is 1068020643763. The reversal of 1068020643751 is 1573460208601.
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 1068020643751 - 27 = 1068020643623 is a prime.
It is a super-2 number, since 2×10680206437512 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1068020643698 and 1068020643707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1068020643251) 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, 126871 + ... + 1467016.
It is an arithmetic number, because the mean of its divisors is an integer number (140533104960).
Almost surely, 21068020643751 is an apocalyptic number.
1068020643751 is a deficient number, since it is larger than the sum of its proper divisors (56244195929).
1068020643751 is a wasteful number, since it uses less digits than its factorization.
1068020643751 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1629173.
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 1068020643751 in words is "one trillion, sixty-eight billion, twenty million, six hundred forty-three thousand, seven hundred fifty-one".
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