Base | Representation |
---|---|
bin | 1011110101000001110… |
… | …1010000110011111110 |
3 | 201102112021200210211110 |
4 | 2331100131100303332 |
5 | 11312140101424410 |
6 | 233204354302450 |
7 | 20452546434216 |
oct | 2752035206376 |
9 | 642467623743 |
10 | 203213311230 |
11 | 79200686516 |
12 | 33473887a26 |
13 | 16216c6b777 |
14 | 9b9ab73246 |
15 | 5445601720 |
hex | 2f50750cfe |
203213311230 has 64 divisors (see below), whose sum is σ = 521724732480. Its totient is φ = 50476744704.
The previous prime is 203213311229. The next prime is 203213311241. The reversal of 203213311230 is 32113312302.
It is a super-2 number, since 2×2032133112302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 203213311197 and 203213311206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2004435 + ... + 2103374.
It is an arithmetic number, because the mean of its divisors is an integer number (8151948945).
Almost surely, 2203213311230 is an apocalyptic number.
203213311230 is an abundant number, since it is smaller than the sum of its proper divisors (318511421250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203213311230 is a wasteful number, since it uses less digits than its factorization.
203213311230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4107933.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 203213311230 its reverse (32113312302), we get a palindrome (235326623532).
The spelling of 203213311230 in words is "two hundred three billion, two hundred thirteen million, three hundred eleven thousand, two hundred thirty".
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