Base | Representation |
---|---|
bin | 10101100011011100… |
… | …110001001011100100 |
3 | 2012201220020120212200 |
4 | 111203130301023210 |
5 | 334344142303330 |
6 | 14344253414500 |
7 | 1446340664655 |
oct | 254334611344 |
9 | 65656216780 |
10 | 23143322340 |
11 | 98a6890686 |
12 | 459a79a430 |
13 | 224a990798 |
14 | 119795952c |
15 | 906bc0a60 |
hex | 5637312e4 |
23143322340 has 72 divisors (see below), whose sum is σ = 70214097408. Its totient is φ = 6170437440.
The previous prime is 23143322333. The next prime is 23143322353. The reversal of 23143322340 is 4322334132.
23143322340 is a `hidden beast` number, since 2 + 3 + 1 + 433 + 223 + 4 + 0 = 666.
It is a super-2 number, since 2×231433223402 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1629309 + ... + 1643451.
Almost surely, 223143322340 is an apocalyptic number.
23143322340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23143322340 is an abundant number, since it is smaller than the sum of its proper divisors (47070775068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23143322340 is a wasteful number, since it uses less digits than its factorization.
23143322340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23249 (or 23244 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 23143322340 its reverse (4322334132), we get a palindrome (27465656472).
The spelling of 23143322340 in words is "twenty-three billion, one hundred forty-three million, three hundred twenty-two thousand, three hundred forty".
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