Base | Representation |
---|---|
bin | 10101100110111000… |
… | …111101011010110001 |
3 | 2012212220212011022022 |
4 | 111212320331122301 |
5 | 340003431403040 |
6 | 14354114521225 |
7 | 1450641423056 |
oct | 254670753261 |
9 | 65786764268 |
10 | 23201044145 |
11 | 9926425954 |
12 | 45b5b96215 |
13 | 22599207b6 |
14 | 11a14a302d |
15 | 90bcc36b5 |
hex | 566e3d6b1 |
23201044145 has 8 divisors (see below), whose sum is σ = 28801296360. Its totient is φ = 17920806400.
The previous prime is 23201044129. The next prime is 23201044157. The reversal of 23201044145 is 54144010232.
It can be written as a sum of positive squares in 4 ways, for example, as 10058485264 + 13142558881 = 100292^2 + 114641^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23201044145 - 24 = 23201044129 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80003456 + ... + 80003745.
It is an arithmetic number, because the mean of its divisors is an integer number (3600162045).
Almost surely, 223201044145 is an apocalyptic number.
It is an amenable number.
23201044145 is a deficient number, since it is larger than the sum of its proper divisors (5600252215).
23201044145 is a wasteful number, since it uses less digits than its factorization.
23201044145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160007235.
The product of its (nonzero) digits is 3840, while the sum is 26.
Adding to 23201044145 its reverse (54144010232), we get a palindrome (77345054377).
The spelling of 23201044145 in words is "twenty-three billion, two hundred one million, forty-four thousand, one hundred forty-five".
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