Base | Representation |
---|---|
bin | 1110100110101… |
… | …00100001110011 |
3 | 22112111220201111 |
4 | 13103110201303 |
5 | 222330132311 |
6 | 20053414151 |
7 | 3015164254 |
oct | 723244163 |
9 | 275456644 |
10 | 122505331 |
11 | 63173083 |
12 | 3503a357 |
13 | 1c4c3380 |
14 | 123acb2b |
15 | ab4cd21 |
hex | 74d4873 |
122505331 has 8 divisors (see below), whose sum is σ = 138872720. Its totient is φ = 107129952.
The previous prime is 122505329. The next prime is 122505371. The reversal of 122505331 is 133505221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122505331 - 21 = 122505329 is a prime.
It is a super-2 number, since 2×1225053312 = 30015112246839122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122505311) 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, 247740 + ... + 248233.
It is an arithmetic number, because the mean of its divisors is an integer number (17359090).
Almost surely, 2122505331 is an apocalyptic number.
122505331 is a deficient number, since it is larger than the sum of its proper divisors (16367389).
122505331 is a wasteful number, since it uses less digits than its factorization.
122505331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496005.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 122505331 is about 11068.2126380008. The cubic root of 122505331 is about 496.6513984666.
The spelling of 122505331 in words is "one hundred twenty-two million, five hundred five thousand, three hundred thirty-one".
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