Base | Representation |
---|---|
bin | 1010100011111000011110… |
… | …10101101001010111001010 |
3 | 10001020002222221100210121210 |
4 | 11101330033111221113022 |
5 | 11020442000222032104 |
6 | 121220322112113550 |
7 | 4614550123530063 |
oct | 521741725512712 |
9 | 101202887323553 |
10 | 23223145502154 |
11 | 7443976234294 |
12 | 27309745358b6 |
13 | cc5c193a77c0 |
14 | 5a401319b56a |
15 | 2a4149a00989 |
hex | 151f0f5695ca |
23223145502154 has 64 divisors (see below), whose sum is σ = 51050020589568. Its totient is φ = 6999278515200.
The previous prime is 23223145502153. The next prime is 23223145502203. The reversal of 23223145502154 is 45120554132232.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (23223145502153) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8979594 + ... + 11272949.
It is an arithmetic number, because the mean of its divisors is an integer number (797656571712).
Almost surely, 223223145502154 is an apocalyptic number.
23223145502154 is an abundant number, since it is smaller than the sum of its proper divisors (27826875087414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23223145502154 is a wasteful number, since it uses less digits than its factorization.
23223145502154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20252863.
The product of its (nonzero) digits is 288000, while the sum is 39.
Adding to 23223145502154 its reverse (45120554132232), we get a palindrome (68343699634386).
The spelling of 23223145502154 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred forty-five million, five hundred two thousand, one hundred fifty-four".
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