Base | Representation |
---|---|
bin | 1110100100000… |
… | …10010110011010 |
3 | 22111212210222210 |
4 | 13102002112122 |
5 | 222233344410 |
6 | 20042255550 |
7 | 3012263025 |
oct | 722022632 |
9 | 274783883 |
10 | 122168730 |
11 | 62a631a2 |
12 | 34ab75b6 |
13 | 1c4060b8 |
14 | 123221bc |
15 | aad3220 |
hex | 748259a |
122168730 has 16 divisors (see below), whose sum is σ = 293205024. Its totient is φ = 32578320.
The previous prime is 122168729. The next prime is 122168741. The reversal of 122168730 is 37861221.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4072291 = 122168730 / (1 + 2 + 2 + 1 + 6 + 8 + 7 + 3 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036116 + ... + 2036175.
It is an arithmetic number, because the mean of its divisors is an integer number (18325314).
Almost surely, 2122168730 is an apocalyptic number.
122168730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122168730 is an abundant number, since it is smaller than the sum of its proper divisors (171036294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122168730 is a wasteful number, since it uses less digits than its factorization.
122168730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4072301.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 122168730 is about 11052.9964263090. The cubic root of 122168730 is about 496.1961075251.
The spelling of 122168730 in words is "one hundred twenty-two million, one hundred sixty-eight thousand, seven hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •