Base | Representation |
---|---|
bin | 1010101100010000101011… |
… | …11111101111101010100001 |
3 | 10002020122001102001000100021 |
4 | 11112020111333233222201 |
5 | 11040201032110311040 |
6 | 122000451413553441 |
7 | 4644420664501663 |
oct | 526102577575241 |
9 | 102218042030307 |
10 | 23511020010145 |
11 | 7544a70956a08 |
12 | 2778715045881 |
13 | 1017106073c65 |
14 | 5b3d21b76533 |
15 | 2ab89790124a |
hex | 156215fefaa1 |
23511020010145 has 8 divisors (see below), whose sum is σ = 28402574509800. Its totient is φ = 18682582343040.
The previous prime is 23511020010131. The next prime is 23511020010167. The reversal of 23511020010145 is 54101002011532.
It can be written as a sum of positive squares in 4 ways, for example, as 781086531681 + 22729933478464 = 883791^2 + 4767592^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23511020010145 - 211 = 23511020008097 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, 15779207316 + ... + 15779208805.
It is an arithmetic number, because the mean of its divisors is an integer number (3550321813725).
Almost surely, 223511020010145 is an apocalyptic number.
It is an amenable number.
23511020010145 is a deficient number, since it is larger than the sum of its proper divisors (4891554499655).
23511020010145 is a wasteful number, since it uses less digits than its factorization.
23511020010145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31558416275.
The product of its (nonzero) digits is 1200, while the sum is 25.
Adding to 23511020010145 its reverse (54101002011532), we get a palindrome (77612022021677).
The spelling of 23511020010145 in words is "twenty-three trillion, five hundred eleven billion, twenty million, ten thousand, one hundred forty-five".
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