Base | Representation |
---|---|
bin | 100000010011100011000… |
… | …111000110110000100100 |
3 | 21212020020112220101021010 |
4 | 200103203013012300210 |
5 | 242333041413243320 |
6 | 4415505440022220 |
7 | 316251000452061 |
oct | 40234307066044 |
9 | 7766215811233 |
10 | 2220013415460 |
11 | 786558774265 |
12 | 2ba306001970 |
13 | 131466c774c9 |
14 | 79640949c68 |
15 | 3cb3346cae0 |
hex | 204e31c6c24 |
2220013415460 has 384 divisors, whose sum is σ = 7013722867200. Its totient is φ = 522175610880.
The previous prime is 2220013415447. The next prime is 2220013415461. The reversal of 2220013415460 is 645143100222.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2220013415461) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 138215830 + ... + 138231890.
It is an arithmetic number, because the mean of its divisors is an integer number (18264903300).
Almost surely, 22220013415460 is an apocalyptic number.
2220013415460 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 2220013415460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506861433600).
2220013415460 is an abundant number, since it is smaller than the sum of its proper divisors (4793709451740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220013415460 is a wasteful number, since it uses less digits than its factorization.
2220013415460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16271 (or 16269 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 2220013415460 its reverse (645143100222), we get a palindrome (2865156515682).
The spelling of 2220013415460 in words is "two trillion, two hundred twenty billion, thirteen million, four hundred fifteen thousand, four hundred sixty".
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