Base | Representation |
---|---|
bin | 1000000111100… |
… | …11110010010100 |
3 | 11202011012210202 |
4 | 10003303302110 |
5 | 114413414122 |
6 | 10431440032 |
7 | 1454621612 |
oct | 403636224 |
9 | 152135722 |
10 | 68107412 |
11 | 3549911a |
12 | 1a986018 |
13 | 11158259 |
14 | 908c6b2 |
15 | 5ea4e92 |
hex | 40f3c94 |
68107412 has 6 divisors (see below), whose sum is σ = 119187978. Its totient is φ = 34053704.
The previous prime is 68107409. The next prime is 68107421. The reversal of 68107412 is 21470186.
It can be written as a sum of positive squares in only one way, i.e., 62789776 + 5317636 = 7924^2 + 2306^2 .
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, 8513423 + ... + 8513430.
It is an arithmetic number, because the mean of its divisors is an integer number (19864663).
Almost surely, 268107412 is an apocalyptic number.
It is an amenable number.
68107412 is a deficient number, since it is larger than the sum of its proper divisors (51080566).
68107412 is a wasteful number, since it uses less digits than its factorization.
68107412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17026857 (or 17026855 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 68107412 is about 8252.7214905145. The cubic root of 68107412 is about 408.3803082799.
Adding to 68107412 its reverse (21470186), we get a palindrome (89577598).
The spelling of 68107412 in words is "sixty-eight million, one hundred seven thousand, four hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •