Base | Representation |
---|---|
bin | 1110100011000… |
… | …00111101111101 |
3 | 22111121212102121 |
4 | 13101200331331 |
5 | 222220010442 |
6 | 20035322541 |
7 | 3011153263 |
oct | 721407575 |
9 | 274555377 |
10 | 122031997 |
11 | 6297a49a |
12 | 34a50451 |
13 | 1c388aa9 |
14 | 122c8433 |
15 | aaa7967 |
hex | 7460f7d |
122031997 has 8 divisors (see below), whose sum is σ = 128053440. Its totient is φ = 116070240.
The previous prime is 122031989. The next prime is 122032007. The reversal of 122031997 is 799130221.
It is a happy number.
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 122031997 - 23 = 122031989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122031697) 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, 10704 + ... + 18937.
It is an arithmetic number, because the mean of its divisors is an integer number (16006680).
Almost surely, 2122031997 is an apocalyptic number.
It is an amenable number.
122031997 is a deficient number, since it is larger than the sum of its proper divisors (6021443).
122031997 is a wasteful number, since it uses less digits than its factorization.
122031997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29843.
The product of its (nonzero) digits is 6804, while the sum is 34.
The square root of 122031997 is about 11046.8093583623. The cubic root of 122031997 is about 496.0109218134.
The spelling of 122031997 in words is "one hundred twenty-two million, thirty-one thousand, nine hundred ninety-seven".
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