Base | Representation |
---|---|
bin | 1110100100011… |
… | …00011011100111 |
3 | 22111221220122011 |
4 | 13102030123213 |
5 | 222241210043 |
6 | 20043215051 |
7 | 3012524305 |
oct | 722143347 |
9 | 274856564 |
10 | 122210023 |
11 | 62a91221 |
12 | 34b17487 |
13 | 1c41bb30 |
14 | 12333275 |
15 | aae059d |
hex | 748c6e7 |
122210023 has 8 divisors (see below), whose sum is σ = 133769216. Its totient is φ = 110959200.
The previous prime is 122209993. The next prime is 122210027. The reversal of 122210023 is 320012221.
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-122210023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122209985 and 122210012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122210027) 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, 76263 + ... + 77848.
It is an arithmetic number, because the mean of its divisors is an integer number (16721152).
Almost surely, 2122210023 is an apocalyptic number.
122210023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
122210023 is a deficient number, since it is larger than the sum of its proper divisors (11559193).
122210023 is a wasteful number, since it uses less digits than its factorization.
122210023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154185.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 122210023 is about 11054.8642234991. The cubic root of 122210023 is about 496.2520059476.
Adding to 122210023 its reverse (320012221), we get a palindrome (442222244).
The spelling of 122210023 in words is "one hundred twenty-two million, two hundred ten thousand, twenty-three".
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