Base | Representation |
---|---|
bin | 111111001111011… |
… | …1100111011011100 |
3 | 12110212222221212220 |
4 | 1332132330323130 |
5 | 13321220334400 |
6 | 550322425340 |
7 | 103405032402 |
oct | 17636747334 |
9 | 5425887786 |
10 | 2122043100 |
11 | 999924431 |
12 | 4b2802250 |
13 | 27a838208 |
14 | 161b87472 |
15 | c646d7a0 |
hex | 7e7bcedc |
2122043100 has 144 divisors (see below), whose sum is σ = 6398028000. Its totient is φ = 542366720.
The previous prime is 2122043069. The next prime is 2122043107. The reversal of 2122043100 is 13402212.
It is a super-2 number, since 2×21220431002 = 9006133836515220000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2122043100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122043107) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1295482 + ... + 1297118.
It is an arithmetic number, because the mean of its divisors is an integer number (44430750).
Almost surely, 22122043100 is an apocalyptic number.
2122043100 is a gapful number since it is divisible by the number (20) 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 2122043100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199014000).
2122043100 is an abundant number, since it is smaller than the sum of its proper divisors (4275984900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122043100 is a wasteful number, since it uses less digits than its factorization.
2122043100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1832 (or 1825 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2122043100 is about 46065.6390382246. The cubic root of 2122043100 is about 1285.0442030346.
Adding to 2122043100 its reverse (13402212), we get a palindrome (2135445312).
The spelling of 2122043100 in words is "two billion, one hundred twenty-two million, forty-three thousand, one hundred".
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