Base | Representation |
---|---|
bin | 1100110011101011010… |
… | …1000010101110011100 |
3 | 210000221021212010200111 |
4 | 3030322311002232130 |
5 | 12101110230043140 |
6 | 245025221135404 |
7 | 21616361552026 |
oct | 3147265025634 |
9 | 700837763614 |
10 | 220030315420 |
11 | 85350416693 |
12 | 3678785a564 |
13 | 1799707c516 |
14 | a914419016 |
15 | 5acbbcc7ea |
hex | 333ad42b9c |
220030315420 has 24 divisors (see below), whose sum is σ = 469895252400. Its totient is φ = 86520394752.
The previous prime is 220030315391. The next prime is 220030315481. The reversal of 220030315420 is 24513030022.
It is a junction number, because it is equal to n+sod(n) for n = 220030315391 and 220030315400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93232005 + ... + 93234364.
It is an arithmetic number, because the mean of its divisors is an integer number (19578968850).
Almost surely, 2220030315420 is an apocalyptic number.
220030315420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220030315420 is an abundant number, since it is smaller than the sum of its proper divisors (249864936980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220030315420 is a wasteful number, since it uses less digits than its factorization.
220030315420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186466437 (or 186466435 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 220030315420 its reverse (24513030022), we get a palindrome (244543345442).
The spelling of 220030315420 in words is "two hundred twenty billion, thirty million, three hundred fifteen thousand, four hundred twenty".
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