Base | Representation |
---|---|
bin | 10101101110101010… |
… | …000010011010000000 |
3 | 2020020000001101112102 |
4 | 111232222002122000 |
5 | 340240311201034 |
6 | 14415051445532 |
7 | 1454113126664 |
oct | 255652023200 |
9 | 66200041472 |
10 | 23331350144 |
11 | 9992a36763 |
12 | 46317568a8 |
13 | 227a91563b |
14 | 11b49028a4 |
15 | 91846297e |
hex | 56ea82680 |
23331350144 has 64 divisors (see below), whose sum is σ = 48609348480. Its totient is φ = 11133619200.
The previous prime is 23331350131. The next prime is 23331350149. The reversal of 23331350144 is 44105313332.
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (23331350149) 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, 1348589 + ... + 1365779.
It is an arithmetic number, because the mean of its divisors is an integer number (759521070).
Almost surely, 223331350144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23331350144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24304674240).
23331350144 is an abundant number, since it is smaller than the sum of its proper divisors (25277998336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23331350144 is a wasteful number, since it uses less digits than its factorization.
23331350144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17689 (or 17677 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 29.
Adding to 23331350144 its reverse (44105313332), we get a palindrome (67436663476).
The spelling of 23331350144 in words is "twenty-three billion, three hundred thirty-one million, three hundred fifty thousand, one hundred forty-four".
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