Base | Representation |
---|---|
bin | 1011110000100011001… |
… | …1111111110001111110 |
3 | 201022102111220212210221 |
4 | 2330020303333301332 |
5 | 11302204343424410 |
6 | 232445215251554 |
7 | 20411012546101 |
oct | 2741063776176 |
9 | 638374825727 |
10 | 202011311230 |
11 | 78744134093 |
12 | 33199219bba |
13 | 16084c26b71 |
14 | 9ac5282738 |
15 | 53c4d1d4da |
hex | 2f08cffc7e |
202011311230 has 8 divisors (see below), whose sum is σ = 363620360232. Its totient is φ = 80804524488.
The previous prime is 202011311143. The next prime is 202011311233. The reversal of 202011311230 is 32113110202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2020113112302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202011311233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100565552 + ... + 10100565571.
It is an arithmetic number, because the mean of its divisors is an integer number (45452545029).
Almost surely, 2202011311230 is an apocalyptic number.
202011311230 is a deficient number, since it is larger than the sum of its proper divisors (161609049002).
202011311230 is a wasteful number, since it uses less digits than its factorization.
202011311230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20201131130.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 202011311230 its reverse (32113110202), we get a palindrome (234124421432).
The spelling of 202011311230 in words is "two hundred two billion, eleven million, three hundred eleven thousand, two hundred thirty".
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