Base | Representation |
---|---|
bin | 1100110010110010… |
… | …11100100001001000 |
3 | 122201200101120200122 |
4 | 12121121130201020 |
5 | 103031322124002 |
6 | 3053320522412 |
7 | 332131504136 |
oct | 63131344110 |
9 | 18650346618 |
10 | 6868551752 |
11 | 2a05133657 |
12 | 13b8320408 |
13 | 85600120a |
14 | 492300756 |
15 | 2a30016a2 |
hex | 19965c848 |
6868551752 has 16 divisors (see below), whose sum is σ = 13636095660. Its totient is φ = 3232259584.
The previous prime is 6868551751. The next prime is 6868551761. The reversal of 6868551752 is 2571558686.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 5582181796 + 1286369956 = 74714^2 + 35866^2 .
It is a super-3 number, since 3×68685517523 (a number of 30 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 6868551694 and 6868551703.
It is not an unprimeable number, because it can be changed into a prime (6868551751) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25251893 + ... + 25252164.
Almost surely, 26868551752 is an apocalyptic number.
It is an amenable number.
6868551752 is a deficient number, since it is larger than the sum of its proper divisors (6767543908).
6868551752 is a wasteful number, since it uses less digits than its factorization.
6868551752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50504080 (or 50504076 counting only the distinct ones).
The product of its digits is 4032000, while the sum is 53.
The square root of 6868551752 is about 82876.7262384320. The cubic root of 6868551752 is about 1900.8815624696.
The spelling of 6868551752 in words is "six billion, eight hundred sixty-eight million, five hundred fifty-one thousand, seven hundred fifty-two".
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