Base | Representation |
---|---|
bin | 1001011011011100… |
… | …1100101000001101 |
3 | 20112101121202200100 |
4 | 2112313030220031 |
5 | 20140422131140 |
6 | 1055053121313 |
7 | 116502405324 |
oct | 22667145015 |
9 | 6471552610 |
10 | 2531052045 |
11 | 1089792955 |
12 | 5a7789239 |
13 | 3144b2242 |
14 | 1a02150bb |
15 | ec311530 |
hex | 96dcca0d |
2531052045 has 12 divisors (see below), whose sum is σ = 4387156956. Its totient is φ = 1349894400.
The previous prime is 2531052031. The next prime is 2531052061. The reversal of 2531052045 is 5402501352.
It is a happy number.
2531052045 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1690689924 + 840362121 = 41118^2 + 28989^2 .
It is not a de Polignac number, because 2531052045 - 26 = 2531051981 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28122756 + ... + 28122845.
It is an arithmetic number, because the mean of its divisors is an integer number (365596413).
Almost surely, 22531052045 is an apocalyptic number.
It is an amenable number.
2531052045 is a deficient number, since it is larger than the sum of its proper divisors (1856104911).
2531052045 is a wasteful number, since it uses less digits than its factorization.
2531052045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56245612 (or 56245609 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 2531052045 is about 50309.5621626744. The cubic root of 2531052045 is about 1362.8049169713.
Adding to 2531052045 its reverse (5402501352), we get a palindrome (7933553397).
The spelling of 2531052045 in words is "two billion, five hundred thirty-one million, fifty-two thousand, forty-five".
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