Base | Representation |
---|---|
bin | 10001110010010000111… |
… | …100000011111110111000 |
3 | 11022211201101101200022010 |
4 | 101302100330003332320 |
5 | 130011032302013440 |
6 | 2333245542325520 |
7 | 154205212533405 |
oct | 21622074037670 |
9 | 4284641350263 |
10 | 1222202376120 |
11 | 431373418970 |
12 | 178a551298a0 |
13 | 8b33a34667b |
14 | 432251092ac |
15 | 21bd3e92580 |
hex | 11c90f03fb8 |
1222202376120 has 256 divisors, whose sum is σ = 4038626304000. Its totient is φ = 293439283200.
The previous prime is 1222202376113. The next prime is 1222202376137. The reversal of 1222202376120 is 216732022221.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57724896 + ... + 57746064.
It is an arithmetic number, because the mean of its divisors is an integer number (15775884000).
Almost surely, 21222202376120 is an apocalyptic number.
1222202376120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1222202376120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019313152000).
1222202376120 is an abundant number, since it is smaller than the sum of its proper divisors (2816423927880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222202376120 is a wasteful number, since it uses less digits than its factorization.
1222202376120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21614 (or 21610 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
Adding to 1222202376120 its reverse (216732022221), we get a palindrome (1438934398341).
The spelling of 1222202376120 in words is "one trillion, two hundred twenty-two billion, two hundred two million, three hundred seventy-six thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •