Base | Representation |
---|---|
bin | 1110100111100… |
… | …00101011001100 |
3 | 22112201202212110 |
4 | 13103300223030 |
5 | 222342324440 |
6 | 20100104020 |
7 | 3016154343 |
oct | 723605314 |
9 | 275652773 |
10 | 122620620 |
11 | 63241761 |
12 | 35095010 |
13 | 1c5339a5 |
14 | 123dcb5a |
15 | ab72080 |
hex | 74f0acc |
122620620 has 48 divisors (see below), whose sum is σ = 345149280. Its totient is φ = 32526336.
The previous prime is 122620601. The next prime is 122620637. The reversal of 122620620 is 26026221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6286 + ... + 16874.
It is an arithmetic number, because the mean of its divisors is an integer number (7190610).
Almost surely, 2122620620 is an apocalyptic number.
122620620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122620620 is an abundant number, since it is smaller than the sum of its proper divisors (222528660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122620620 is a wasteful number, since it uses less digits than its factorization.
122620620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10794 (or 10792 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 122620620 is about 11073.4195260543. The cubic root of 122620620 is about 496.8071481257.
Adding to 122620620 its reverse (26026221), we get a palindrome (148646841).
The spelling of 122620620 in words is "one hundred twenty-two million, six hundred twenty thousand, six hundred twenty".
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