Base | Representation |
---|---|
bin | 10101101111011110… |
… | …111100111111101011 |
3 | 2020020222011010121110 |
4 | 111233132330333223 |
5 | 340302334042421 |
6 | 14420305041403 |
7 | 1454342052405 |
oct | 255736747753 |
9 | 66228133543 |
10 | 23345221611 |
11 | 999a850588 |
12 | 4636326263 |
13 | 22807613ca |
14 | 11b66b3b75 |
15 | 9197a2a76 |
hex | 56f7bcfeb |
23345221611 has 32 divisors (see below), whose sum is σ = 32111659008. Its totient is φ = 15080365440.
The previous prime is 23345221591. The next prime is 23345221619. The reversal of 23345221611 is 11612254332.
It is not a de Polignac number, because 23345221611 - 25 = 23345221579 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23345221619) 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, 3710110 + ... + 3716396.
It is an arithmetic number, because the mean of its divisors is an integer number (1003489344).
Almost surely, 223345221611 is an apocalyptic number.
23345221611 is a deficient number, since it is larger than the sum of its proper divisors (8766437397).
23345221611 is a wasteful number, since it uses less digits than its factorization.
23345221611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6651.
The product of its digits is 8640, while the sum is 30.
Adding to 23345221611 its reverse (11612254332), we get a palindrome (34957475943).
The spelling of 23345221611 in words is "twenty-three billion, three hundred forty-five million, two hundred twenty-one thousand, six hundred eleven".
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