Base | Representation |
---|---|
bin | 1001100000001111… |
… | …0101111100100111 |
3 | 20120210102112222101 |
4 | 2120003311330213 |
5 | 20211043103411 |
6 | 1101051512531 |
7 | 120135240166 |
oct | 23003657447 |
9 | 6523375871 |
10 | 2551144231 |
11 | 109a066469 |
12 | 5b2458747 |
13 | 3186c85cc |
14 | 1a2b653dd |
15 | ede7e8c1 |
hex | 980f5f27 |
2551144231 has 8 divisors (see below), whose sum is σ = 2686227200. Its totient is φ = 2416142520.
The previous prime is 2551144223. The next prime is 2551144243. The reversal of 2551144231 is 1324411552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2551144231 - 23 = 2551144223 is a prime.
It is a super-2 number, since 2×25511442312 = 13016673774729162722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2551144231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2551144201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50500 + ... + 87478.
It is an arithmetic number, because the mean of its divisors is an integer number (335778400).
Almost surely, 22551144231 is an apocalyptic number.
2551144231 is a deficient number, since it is larger than the sum of its proper divisors (135082969).
2551144231 is a wasteful number, since it uses less digits than its factorization.
2551144231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40629.
The product of its digits is 4800, while the sum is 28.
The square root of 2551144231 is about 50508.8529962818. The cubic root of 2551144231 is about 1366.4015232678.
Adding to 2551144231 its reverse (1324411552), we get a palindrome (3875555783).
The spelling of 2551144231 in words is "two billion, five hundred fifty-one million, one hundred forty-four thousand, two hundred thirty-one".
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