Base | Representation |
---|---|
bin | 1011110001000010111… |
… | …0010000001010111110 |
3 | 201022202202122100110012 |
4 | 2330100232100022332 |
5 | 11302442332220410 |
6 | 232510315543222 |
7 | 20414213563412 |
oct | 2742056201276 |
9 | 638682570405 |
10 | 202144023230 |
11 | 78802038626 |
12 | 3321575ab12 |
13 | 160a6581b86 |
14 | 9ad8b4ad42 |
15 | 53d17d5605 |
hex | 2f10b902be |
202144023230 has 32 divisors (see below), whose sum is σ = 372852154080. Its totient is φ = 78860436480.
The previous prime is 202144023217. The next prime is 202144023239. The reversal of 202144023230 is 32320441202.
It is a super-2 number, since 2×2021440232302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202144023196 and 202144023205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202144023239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242341 + ... + 1395599.
It is an arithmetic number, because the mean of its divisors is an integer number (11651629815).
Almost surely, 2202144023230 is an apocalyptic number.
202144023230 is a deficient number, since it is larger than the sum of its proper divisors (170708130850).
202144023230 is a wasteful number, since it uses less digits than its factorization.
202144023230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156524.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 202144023230 its reverse (32320441202), we get a palindrome (234464464432).
The spelling of 202144023230 in words is "two hundred two billion, one hundred forty-four million, twenty-three thousand, two hundred thirty".
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