Base | Representation |
---|---|
bin | 1011110000100110000… |
… | …1000001001000001111 |
3 | 201022110100010111010002 |
4 | 2330021201001020033 |
5 | 11302220404110411 |
6 | 232450320234515 |
7 | 20411215062212 |
oct | 2741141011017 |
9 | 638410114102 |
10 | 202023113231 |
11 | 7874a865105 |
12 | 331a116ba3b |
13 | 160874c99b4 |
14 | 9ac6a75779 |
15 | 53c5da033b |
hex | 2f0984120f |
202023113231 has 8 divisors (see below), whose sum is σ = 216919599264. Its totient is φ = 187461379840.
The previous prime is 202023113177. The next prime is 202023113239. The reversal of 202023113231 is 132311320202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 202023113231 - 26 = 202023113167 is a prime.
It is a super-2 number, since 2×2020231132312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202023113239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83686910 + ... + 83689323.
It is an arithmetic number, because the mean of its divisors is an integer number (27114949908).
Almost surely, 2202023113231 is an apocalyptic number.
202023113231 is a deficient number, since it is larger than the sum of its proper divisors (14896486033).
202023113231 is a wasteful number, since it uses less digits than its factorization.
202023113231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167376321.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 202023113231 its reverse (132311320202), we get a palindrome (334334433433).
The spelling of 202023113231 in words is "two hundred two billion, twenty-three million, one hundred thirteen thousand, two hundred thirty-one".
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