Base | Representation |
---|---|
bin | 1110100010110… |
… | …11100110100100 |
3 | 22111120202021122 |
4 | 13101123212210 |
5 | 222213310040 |
6 | 20035033112 |
7 | 3011032226 |
oct | 721334644 |
9 | 274522248 |
10 | 122010020 |
11 | 62964a30 |
12 | 34a3b798 |
13 | 1c37baa2 |
14 | 122c0416 |
15 | aaa11b5 |
hex | 745b9a4 |
122010020 has 144 divisors (see below), whose sum is σ = 315645120. Its totient is φ = 39168000.
The previous prime is 122010019. The next prime is 122010029. The reversal of 122010020 is 20010221.
It is not an unprimeable number, because it can be changed into a prime (122010029) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1207970 + ... + 1208070.
It is an arithmetic number, because the mean of its divisors is an integer number (2191980).
Almost surely, 2122010020 is an apocalyptic number.
122010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157822560).
122010020 is an abundant number, since it is smaller than the sum of its proper divisors (193635100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122010020 is a wasteful number, since it uses less digits than its factorization.
122010020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174 (or 155 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 122010020 is about 11045.8145919620. The cubic root of 122010020 is about 495.9811441410.
Adding to 122010020 its reverse (20010221), we get a palindrome (142020241).
The spelling of 122010020 in words is "one hundred twenty-two million, ten thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •