Base | Representation |
---|---|
bin | 1001011110110011… |
… | …1100101010011111 |
3 | 20120101010122001111 |
4 | 2113230330222133 |
5 | 20203024024211 |
6 | 1100315122451 |
7 | 120033232216 |
oct | 22754745237 |
9 | 6511118044 |
10 | 2545142431 |
11 | 10967371a7 |
12 | 5b0443427 |
13 | 3173a6850 |
14 | 1a204207d |
15 | ed696421 |
hex | 97b3ca9f |
2545142431 has 16 divisors (see below), whose sum is σ = 2755928448. Its totient is φ = 2336544000.
The previous prime is 2545142417. The next prime is 2545142459. The reversal of 2545142431 is 1342415452.
It is a cyclic number.
It is not a de Polignac number, because 2545142431 - 213 = 2545134239 is a prime.
It is a super-2 number, since 2×25451424312 = 12955499988153179522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2545142393 and 2545142402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2545142231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3344091 + ... + 3344851.
It is an arithmetic number, because the mean of its divisors is an integer number (172245528).
Almost surely, 22545142431 is an apocalyptic number.
2545142431 is a deficient number, since it is larger than the sum of its proper divisors (210786017).
2545142431 is a wasteful number, since it uses less digits than its factorization.
2545142431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1842.
The product of its digits is 19200, while the sum is 31.
The square root of 2545142431 is about 50449.4046644755. The cubic root of 2545142431 is about 1365.3291537170.
Adding to 2545142431 its reverse (1342415452), we get a palindrome (3887557883).
The spelling of 2545142431 in words is "two billion, five hundred forty-five million, one hundred forty-two thousand, four hundred thirty-one".
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