Base | Representation |
---|---|
bin | 110000100010010011… |
… | …011000000100100111 |
3 | 11222111222210000010220 |
4 | 300202103120010213 |
5 | 1323212432042411 |
6 | 35535155415423 |
7 | 3523314100500 |
oct | 604223300447 |
9 | 158458700126 |
10 | 52115112231 |
11 | 20113693196 |
12 | a1252b4573 |
13 | 4bb701c320 |
14 | 27455d1ba7 |
15 | 15503e4b06 |
hex | c224d8127 |
52115112231 has 96 divisors (see below), whose sum is σ = 88558158528. Its totient is φ = 27015690240.
The previous prime is 52115112211. The next prime is 52115112241. The reversal of 52115112231 is 13221151125.
It is not a de Polignac number, because 52115112231 - 210 = 52115111207 is a prime.
It is a super-2 number, since 2×521151122312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52115112211) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55382221 + ... + 55383161.
It is an arithmetic number, because the mean of its divisors is an integer number (922480818).
Almost surely, 252115112231 is an apocalyptic number.
52115112231 is a deficient number, since it is larger than the sum of its proper divisors (36443046297).
52115112231 is a wasteful number, since it uses less digits than its factorization.
52115112231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1441 (or 1434 counting only the distinct ones).
The product of its digits is 600, while the sum is 24.
Adding to 52115112231 its reverse (13221151125), we get a palindrome (65336263356).
The spelling of 52115112231 in words is "fifty-two billion, one hundred fifteen million, one hundred twelve thousand, two hundred thirty-one".
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