Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …101001010100110110100 |
3 | 11022211110101112011000211 |
4 | 101302022331022212310 |
5 | 130010331103031400 |
6 | 2333231555115204 |
7 | 154202553422650 |
oct | 21621275124664 |
9 | 4284411464024 |
10 | 1222102002100 |
11 | 4313217a1431 |
12 | 178a275a2b04 |
13 | 8b322601865 |
14 | 43215a5ba60 |
15 | 21bca266dba |
hex | 11c8af4a9b4 |
1222102002100 has 36 divisors (see below), whose sum is σ = 3030812966944. Its totient is φ = 419006400480.
The previous prime is 1222102002067. The next prime is 1222102002101. The reversal of 1222102002100 is 12002012221.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222102002101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 872929302 + ... + 872930701.
Almost surely, 21222102002100 is an apocalyptic number.
1222102002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1222102002100 is an abundant number, since it is smaller than the sum of its proper divisors (1808710964844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222102002100 is a wasteful number, since it uses less digits than its factorization.
1222102002100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1745860024 (or 1745860017 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 1222102002100 its reverse (12002012221), we get a palindrome (1234104014321).
The spelling of 1222102002100 in words is "one trillion, two hundred twenty-two billion, one hundred two million, two thousand, one hundred".
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