Base | Representation |
---|---|
bin | 1110100100100… |
… | …01010011111111 |
3 | 22111222221001121 |
4 | 13102101103333 |
5 | 222242330030 |
6 | 20043451411 |
7 | 3012636505 |
oct | 722212377 |
9 | 274887047 |
10 | 122230015 |
11 | 62aa5246 |
12 | 34b26b67 |
13 | 1c427c6b |
14 | 1233a675 |
15 | aae647a |
hex | 74914ff |
122230015 has 8 divisors (see below), whose sum is σ = 146800080. Its totient is φ = 97701312.
The previous prime is 122229977. The next prime is 122230057. The reversal of 122230015 is 510032221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122230015 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3414 + ... + 16003.
It is an arithmetic number, because the mean of its divisors is an integer number (18350010).
Almost surely, 2122230015 is an apocalyptic number.
122230015 is a deficient number, since it is larger than the sum of its proper divisors (24570065).
122230015 is a wasteful number, since it uses less digits than its factorization.
122230015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20681.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 122230015 is about 11055.7684038695. The cubic root of 122230015 is about 496.2790646370.
Adding to 122230015 its reverse (510032221), we get a palindrome (632262236).
The spelling of 122230015 in words is "one hundred twenty-two million, two hundred thirty thousand, fifteen".
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