Base | Representation |
---|---|
bin | 1100001111001011010… |
… | …0010001111000101111 |
3 | 202002122110000101021010 |
4 | 3003302310101320233 |
5 | 11421023422034411 |
6 | 240325050040303 |
7 | 21121515252534 |
oct | 3036264217057 |
9 | 662573011233 |
10 | 210232221231 |
11 | 8118267648a |
12 | 348b2419093 |
13 | 16a95165956 |
14 | a265012d8b |
15 | 57069037a6 |
hex | 30f2d11e2f |
210232221231 has 16 divisors (see below), whose sum is σ = 305237347200. Its totient is φ = 128199683808.
The previous prime is 210232221229. The next prime is 210232221317. The reversal of 210232221231 is 132122232012.
It is not a de Polignac number, because 210232221231 - 21 = 210232221229 is a prime.
It is a super-2 number, since 2×2102322212312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 210232221198 and 210232221207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210232021231) 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, 63589461 + ... + 63592766.
It is an arithmetic number, because the mean of its divisors is an integer number (19077334200).
Almost surely, 2210232221231 is an apocalyptic number.
210232221231 is a deficient number, since it is larger than the sum of its proper divisors (95005125969).
210232221231 is a wasteful number, since it uses less digits than its factorization.
210232221231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127182278.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 210232221231 its reverse (132122232012), we get a palindrome (342354453243).
The spelling of 210232221231 in words is "two hundred ten billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-one".
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