Base | Representation |
---|---|
bin | 1011110001010000100… |
… | …0110010010000001100 |
3 | 201022220202102211102120 |
4 | 2330110020302100030 |
5 | 11303102013411340 |
6 | 232520123452540 |
7 | 20415510531030 |
oct | 2742410622014 |
9 | 638822384376 |
10 | 202201310220 |
11 | 78831406148 |
12 | 33230987150 |
13 | 160b53bbcc0 |
14 | 9b025c01c0 |
15 | 53d684e4d0 |
hex | 2f1423240c |
202201310220 has 192 divisors, whose sum is σ = 697442887680. Its totient is φ = 42623926272.
The previous prime is 202201310183. The next prime is 202201310231. The reversal of 202201310220 is 22013102202.
It is a happy number.
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 202201310220.
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, 6279321 + ... + 6311439.
It is an arithmetic number, because the mean of its divisors is an integer number (3632515040).
Almost surely, 2202201310220 is an apocalyptic number.
202201310220 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 202201310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348721443840).
202201310220 is an abundant number, since it is smaller than the sum of its proper divisors (495241577460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202201310220 is a wasteful number, since it uses less digits than its factorization.
202201310220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33304 (or 33302 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 202201310220 its reverse (22013102202), we get a palindrome (224214412422).
The spelling of 202201310220 in words is "two hundred two billion, two hundred one million, three hundred ten thousand, two hundred twenty".
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