Base | Representation |
---|---|
bin | 1110100011101… |
… | …11000001011010 |
3 | 22111210110100021 |
4 | 13101313001122 |
5 | 222230403310 |
6 | 20041301054 |
7 | 3012010531 |
oct | 721670132 |
9 | 274713307 |
10 | 122122330 |
11 | 62a31350 |
12 | 34a9478a |
13 | 1c3bac45 |
14 | 1230d318 |
15 | aac45da |
hex | 747705a |
122122330 has 64 divisors (see below), whose sum is σ = 252149760. Its totient is φ = 42177600.
The previous prime is 122122327. The next prime is 122122349. The reversal of 122122330 is 33221221.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200887 + ... + 201493.
It is an arithmetic number, because the mean of its divisors is an integer number (3939840).
Almost surely, 2122122330 is an apocalyptic number.
122122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122122330 is an abundant number, since it is smaller than the sum of its proper divisors (130027430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122122330 is a wasteful number, since it uses less digits than its factorization.
122122330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 122122330 is about 11050.8972486400. The cubic root of 122122330 is about 496.1332807150.
Adding to 122122330 its reverse (33221221), we get a palindrome (155343551).
The spelling of 122122330 in words is "one hundred twenty-two million, one hundred twenty-two thousand, three hundred thirty".
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