Base | Representation |
---|---|
bin | 1110100011111… |
… | …01100001101011 |
3 | 22111211210212222 |
4 | 13101331201223 |
5 | 222232231341 |
6 | 20042024255 |
7 | 3012151310 |
oct | 721754153 |
9 | 274753788 |
10 | 122148971 |
11 | 62a4a36a |
12 | 34aa808b |
13 | 1c3ca0c9 |
14 | 12318d07 |
15 | aacc44b |
hex | 747d86b |
122148971 has 8 divisors (see below), whose sum is σ = 139870944. Its totient is φ = 104495040.
The previous prime is 122148913. The next prime is 122148979. The reversal of 122148971 is 179841221.
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 122148971 - 214 = 122132587 is a prime.
It is a super-2 number, since 2×1221489712 = 29840742232717682, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122148979) 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, 13100 + ... + 20393.
It is an arithmetic number, because the mean of its divisors is an integer number (17483868).
Almost surely, 2122148971 is an apocalyptic number.
122148971 is a deficient number, since it is larger than the sum of its proper divisors (17721973).
122148971 is an equidigital number, since it uses as much as digits as its factorization.
122148971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34021.
The product of its digits is 8064, while the sum is 35.
The square root of 122148971 is about 11052.1025601466. The cubic root of 122148971 is about 496.1693552689.
The spelling of 122148971 in words is "one hundred twenty-two million, one hundred forty-eight thousand, nine hundred seventy-one".
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