Base | Representation |
---|---|
bin | 1100011010100111111… |
… | …0100000011111111100 |
3 | 202101120121020110211001 |
4 | 3012221332200133330 |
5 | 11443322103224202 |
6 | 241554021140044 |
7 | 21260620500244 |
oct | 3065176403774 |
9 | 671517213731 |
10 | 213305133052 |
11 | 8250a206630 |
12 | 3540b55a624 |
13 | 1716499817b |
14 | a477198b24 |
15 | 583659ad87 |
hex | 31a9fa07fc |
213305133052 has 144 divisors (see below), whose sum is σ = 428199851520. Its totient is φ = 92182924800.
The previous prime is 213305133043. The next prime is 213305133091. The reversal of 213305133052 is 250331503312.
It is a self number, because there is not a number n which added to its sum of digits gives 213305133052.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 787103677 + ... + 787103947.
It is an arithmetic number, because the mean of its divisors is an integer number (2973610080).
Almost surely, 2213305133052 is an apocalyptic number.
213305133052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
213305133052 is an abundant number, since it is smaller than the sum of its proper divisors (214894718468).
213305133052 is a wasteful number, since it uses less digits than its factorization.
213305133052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612 (or 573 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 28.
Adding to 213305133052 its reverse (250331503312), we get a palindrome (463636636364).
The spelling of 213305133052 in words is "two hundred thirteen billion, three hundred five million, one hundred thirty-three thousand, fifty-two".
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