Base | Representation |
---|---|
bin | 11011110101011100100111… |
… | …111001001100011000010110 |
3 | 121001110020201210112222210101 |
4 | 123311130213321030120112 |
5 | 112021212402232022410 |
6 | 1112211005553244314 |
7 | 34533363515033023 |
oct | 3365344771143026 |
9 | 531406653488711 |
10 | 122420122142230 |
11 | 3600909a510700 |
12 | 11891a0b26369a |
13 | 53402250a0cc3 |
14 | 22332462c054a |
15 | e24665872d3a |
hex | 6f5727e4c616 |
122420122142230 has 144 divisors (see below), whose sum is σ = 248991098268528. Its totient is φ = 43303130323200.
The previous prime is 122420122142189. The next prime is 122420122142261. The reversal of 122420122142230 is 32241221024221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12822884317 + ... + 12822893863.
It is an arithmetic number, because the mean of its divisors is an integer number (1729104849087).
Almost surely, 2122420122142230 is an apocalyptic number.
122420122142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122420122142230 is an abundant number, since it is smaller than the sum of its proper divisors (126570976126298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122420122142230 is a wasteful number, since it uses less digits than its factorization.
122420122142230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17391 (or 17343 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 122420122142230 its reverse (32241221024221), we get a palindrome (154661343166451).
The spelling of 122420122142230 in words is "one hundred twenty-two trillion, four hundred twenty billion, one hundred twenty-two million, one hundred forty-two thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •