| Base | Representation |
|---|---|
| bin | 10001101001101110010… |
| … | …101111100000000000100 |
| 3 | 11021222001021202102101200 |
| 4 | 101221232111330000010 |
| 5 | 124333242144201040 |
| 6 | 2325131554022500 |
| 7 | 153432031030230 |
| oct | 21515625740004 |
| 9 | 4258037672350 |
| 10 | 1213032022020 |
| 11 | 428497a53125 |
| 12 | 177115b77a30 |
| 13 | 8a5084bbb40 |
| 14 | 429d522b5c0 |
| 15 | 21848d65630 |
| hex | 11a6e57c004 |
1213032022020 has 288 divisors, whose sum is σ = 4605413379840. Its totient is φ = 251598320640.
The previous prime is 1213032022003. The next prime is 1213032022021. The reversal of 1213032022020 is 202202303121.
1213032022020 is a `hidden beast` number, since 12 + 130 + 320 + 2 + 202 + 0 = 666.
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 = 1213032021984 and 1213032022002.
It is not an unprimeable number, because it can be changed into a prime (1213032022021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 338830 + ... + 1594010.
It is an arithmetic number, because the mean of its divisors is an integer number (15991018680).
Almost surely, 21213032022020 is an apocalyptic number.
1213032022020 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 1213032022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2302706689920).
1213032022020 is an abundant number, since it is smaller than the sum of its proper divisors (3392381357820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213032022020 is a wasteful number, since it uses less digits than its factorization.
1213032022020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1255275 (or 1255270 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 1213032022020 its reverse (202202303121), we get a palindrome (1415234325141).
The spelling of 1213032022020 in words is "one trillion, two hundred thirteen billion, thirty-two million, twenty-two thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •