Base | Representation |
---|---|
bin | 1110100110101… |
… | …10001011111010 |
3 | 22112112021001000 |
4 | 13103112023322 |
5 | 222330341442 |
6 | 20053505430 |
7 | 3015223125 |
oct | 723261372 |
9 | 275467030 |
10 | 122512122 |
11 | 63178197 |
12 | 35042276 |
13 | 1c4c64a5 |
14 | 123b13bc |
15 | ab4ed4c |
hex | 74d62fa |
122512122 has 32 divisors (see below), whose sum is σ = 284088960. Its totient is φ = 39061440.
The previous prime is 122512087. The next prime is 122512147. The reversal of 122512122 is 221215221.
It is a super-3 number, since 3×1225121223 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 122512095 and 122512104.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48079 + ... + 50562.
It is an arithmetic number, because the mean of its divisors is an integer number (8877780).
Almost surely, 2122512122 is an apocalyptic number.
122512122 is an abundant number, since it is smaller than the sum of its proper divisors (161576838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122512122 is a wasteful number, since it uses less digits than its factorization.
122512122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98675 (or 98669 counting only the distinct ones).
The product of its digits is 160, while the sum is 18.
The square root of 122512122 is about 11068.5194131826. The cubic root of 122512122 is about 496.6605754749.
Adding to 122512122 its reverse (221215221), we get a palindrome (343727343).
The spelling of 122512122 in words is "one hundred twenty-two million, five hundred twelve thousand, one hundred twenty-two".
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