Base | Representation |
---|---|
bin | 1110100010111… |
… | …00010110111000 |
3 | 22111120220112011 |
4 | 13101130112320 |
5 | 222213404422 |
6 | 20035055304 |
7 | 3011044234 |
oct | 721342670 |
9 | 274526464 |
10 | 122013112 |
11 | 62967291 |
12 | 34a41534 |
13 | 1c380310 |
14 | 122c15c4 |
15 | aaa2077 |
hex | 745c5b8 |
122013112 has 32 divisors (see below), whose sum is σ = 247524480. Its totient is φ = 56050560.
The previous prime is 122013109. The next prime is 122013113. The reversal of 122013112 is 211310221.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 122013092 and 122013101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122013113) 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, 20562 + ... + 25822.
It is an arithmetic number, because the mean of its divisors is an integer number (7735140).
Almost surely, 2122013112 is an apocalyptic number.
It is an amenable number.
122013112 is an abundant number, since it is smaller than the sum of its proper divisors (125511368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122013112 is a wasteful number, since it uses less digits than its factorization.
122013112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5503 (or 5499 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 122013112 is about 11045.9545535911. The cubic root of 122013112 is about 495.9853338535.
Adding to 122013112 its reverse (211310221), we get a palindrome (333323333).
The spelling of 122013112 in words is "one hundred twenty-two million, thirteen thousand, one hundred twelve".
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