Base | Representation |
---|---|
bin | 1101011110000111010… |
… | …1010101010111011000 |
3 | 211010100012112211201200 |
4 | 3113201311111113120 |
5 | 12242423030341212 |
6 | 254151443114200 |
7 | 22501566401325 |
oct | 3274165252730 |
9 | 733305484650 |
10 | 231422121432 |
11 | 8a1668330a7 |
12 | 38a26972960 |
13 | 18a91209938 |
14 | b2b5359b4c |
15 | 6046d626dc |
hex | 35e1d555d8 |
231422121432 has 48 divisors (see below), whose sum is σ = 628404791040. Its totient is φ = 76939286208.
The previous prime is 231422121401. The next prime is 231422121479. The reversal of 231422121432 is 234121224132.
231422121432 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 221 + 2 + 1 + 432 = 666.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 231422121396 and 231422121405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4168503 + ... + 4223654.
It is an arithmetic number, because the mean of its divisors is an integer number (13091766480).
Almost surely, 2231422121432 is an apocalyptic number.
It is an amenable number.
231422121432 is an abundant number, since it is smaller than the sum of its proper divisors (396982669608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231422121432 is a wasteful number, since it uses less digits than its factorization.
231422121432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8392552 (or 8392545 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
Adding to 231422121432 its reverse (234121224132), we get a palindrome (465543345564).
The spelling of 231422121432 in words is "two hundred thirty-one billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred thirty-two".
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