Base | Representation |
---|---|
bin | 1110100011111… |
… | …00100101001111 |
3 | 22111211121120201 |
4 | 13101330211033 |
5 | 222232120403 |
6 | 20041554331 |
7 | 3012134113 |
oct | 721744517 |
9 | 274747521 |
10 | 122145103 |
11 | 62a47473 |
12 | 34aa59a7 |
13 | 1c3c8412 |
14 | 12317743 |
15 | aacb21d |
hex | 747c94f |
122145103 has 8 divisors (see below), whose sum is σ = 125603072. Its totient is φ = 118695456.
The previous prime is 122145097. The next prime is 122145137. The reversal of 122145103 is 301541221.
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 122145103 - 29 = 122144591 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 (122145143) 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, 38701 + ... + 41737.
It is an arithmetic number, because the mean of its divisors is an integer number (15700384).
Almost surely, 2122145103 is an apocalyptic number.
122145103 is a deficient number, since it is larger than the sum of its proper divisors (3457969).
122145103 is a wasteful number, since it uses less digits than its factorization.
122145103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4161.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 122145103 is about 11051.9275694333. The cubic root of 122145103 is about 496.1641179391.
Adding to 122145103 its reverse (301541221), we get a palindrome (423686324).
The spelling of 122145103 in words is "one hundred twenty-two million, one hundred forty-five thousand, one hundred three".
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