Base | Representation |
---|---|
bin | 1110100011100… |
… | …10010101010000 |
3 | 22111202110222210 |
4 | 13101302111100 |
5 | 222224244440 |
6 | 20041032120 |
7 | 3011600526 |
oct | 721622520 |
9 | 274673883 |
10 | 122103120 |
11 | 62a18977 |
12 | 34a85640 |
13 | 1c3b2289 |
14 | 12306316 |
15 | aabda80 |
hex | 7472550 |
122103120 has 80 divisors (see below), whose sum is σ = 398456640. Its totient is φ = 30845952.
The previous prime is 122103109. The next prime is 122103127. The reversal of 122103120 is 21301221.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 122103096 and 122103105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122103127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8829 + ... + 17948.
It is an arithmetic number, because the mean of its divisors is an integer number (4980708).
Almost surely, 2122103120 is an apocalyptic number.
122103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122103120 is an abundant number, since it is smaller than the sum of its proper divisors (276353520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122103120 is a wasteful number, since it uses less digits than its factorization.
122103120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26812 (or 26806 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 122103120 is about 11050.0280542630. The cubic root of 122103120 is about 496.1072652159.
Adding to 122103120 its reverse (21301221), we get a palindrome (143404341).
The spelling of 122103120 in words is "one hundred twenty-two million, one hundred three thousand, one hundred twenty".
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