Base | Representation |
---|---|
bin | 1110100110111… |
… | …00011111111100 |
3 | 22112120120111201 |
4 | 13103130133330 |
5 | 222332203410 |
6 | 20054225244 |
7 | 3015361405 |
oct | 723343774 |
9 | 275516451 |
10 | 122537980 |
11 | 63195664 |
12 | 35055224 |
13 | 1c5051a6 |
14 | 123ba9ac |
15 | ab5783a |
hex | 74dc7fc |
122537980 has 24 divisors (see below), whose sum is σ = 257554080. Its totient is φ = 48972480.
The previous prime is 122537941. The next prime is 122537983. The reversal of 122537980 is 89735221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122537983) 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, 31545 + ... + 35215.
It is an arithmetic number, because the mean of its divisors is an integer number (10731420).
Almost surely, 2122537980 is an apocalyptic number.
122537980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122537980 is an abundant number, since it is smaller than the sum of its proper divisors (135016100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122537980 is a wasteful number, since it uses less digits than its factorization.
122537980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5349 (or 5347 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 122537980 is about 11069.6874391285. The cubic root of 122537980 is about 496.6955155432.
The spelling of 122537980 in words is "one hundred twenty-two million, five hundred thirty-seven thousand, nine hundred eighty".
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