Base | Representation |
---|---|
bin | 1110100010111… |
… | …00001101110010 |
3 | 22111120212201121 |
4 | 13101130031302 |
5 | 222213400110 |
6 | 20035052454 |
7 | 3011042443 |
oct | 721341562 |
9 | 274525647 |
10 | 122012530 |
11 | 62966902 |
12 | 34a4112a |
13 | 1c37cc83 |
14 | 122c12ca |
15 | aaa1cda |
hex | 745c372 |
122012530 has 16 divisors (see below), whose sum is σ = 221079744. Its totient is φ = 48481200.
The previous prime is 122012507. The next prime is 122012533. The reversal of 122012530 is 35210221.
It is not an unprimeable number, because it can be changed into a prime (122012533) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38892 + ... + 41911.
It is an arithmetic number, because the mean of its divisors is an integer number (13817484).
Almost surely, 2122012530 is an apocalyptic number.
122012530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122012530 is a deficient number, since it is larger than the sum of its proper divisors (99067214).
122012530 is a wasteful number, since it uses less digits than its factorization.
122012530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80961.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 122012530 is about 11045.9282090732. The cubic root of 122012530 is about 495.9845452391.
Adding to 122012530 its reverse (35210221), we get a palindrome (157222751).
The spelling of 122012530 in words is "one hundred twenty-two million, twelve thousand, five hundred thirty".
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