Base | Representation |
---|---|
bin | 111110111010101… |
… | …0011011101001101 |
3 | 12110010110021111212 |
4 | 1331311103131031 |
5 | 13310422002300 |
6 | 545252424205 |
7 | 103213161221 |
oct | 17565233515 |
9 | 5403407455 |
10 | 2111125325 |
11 | 993747781 |
12 | 4ab018065 |
13 | 2784b49aa |
14 | 160544781 |
15 | c5513935 |
hex | 7dd5374d |
2111125325 has 48 divisors (see below), whose sum is σ = 2777299920. Its totient is φ = 1589575680.
The previous prime is 2111125277. The next prime is 2111125339. The reversal of 2111125325 is 5235211112.
It can be written as a sum of positive squares in 24 ways, for example, as 1906806889 + 204318436 = 43667^2 + 14294^2 .
It is not a de Polignac number, because 2111125325 - 28 = 2111125069 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2111125325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5980349 + ... + 5980701.
It is an arithmetic number, because the mean of its divisors is an integer number (57860415).
Almost surely, 22111125325 is an apocalyptic number.
2111125325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2111125325 is a deficient number, since it is larger than the sum of its proper divisors (666174595).
2111125325 is a wasteful number, since it uses less digits than its factorization.
2111125325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 578 (or 573 counting only the distinct ones).
The product of its digits is 600, while the sum is 23.
The square root of 2111125325 is about 45946.9838509559. The cubic root of 2111125325 is about 1282.8365894806.
Adding to 2111125325 its reverse (5235211112), we get a palindrome (7346336437).
The spelling of 2111125325 in words is "two billion, one hundred eleven million, one hundred twenty-five thousand, three hundred twenty-five".
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