Base | Representation |
---|---|
bin | 1001100000000101… |
… | …1101100101000011 |
3 | 20120202020211212120 |
4 | 2120001131211003 |
5 | 20210413121011 |
6 | 1101030255323 |
7 | 120130030515 |
oct | 23001354503 |
9 | 6522224776 |
10 | 2550520131 |
11 | 109977a585 |
12 | 5b21b7543 |
13 | 31853a513 |
14 | 1a2a41bb5 |
15 | edda9a06 |
hex | 9805d943 |
2550520131 has 8 divisors (see below), whose sum is σ = 3400985280. Its totient is φ = 1700200872.
The previous prime is 2550520109. The next prime is 2550520139. The reversal of 2550520131 is 1310250552.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2550520131 - 210 = 2550519107 is a prime.
It is a super-2 number, since 2×25505201312 = 13010305877272514322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2550520139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14500 + ... + 72878.
It is an arithmetic number, because the mean of its divisors is an integer number (425123160).
Almost surely, 22550520131 is an apocalyptic number.
2550520131 is a deficient number, since it is larger than the sum of its proper divisors (850465149).
2550520131 is a wasteful number, since it uses less digits than its factorization.
2550520131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72945.
The product of its (nonzero) digits is 1500, while the sum is 24.
The square root of 2550520131 is about 50502.6744935355. The cubic root of 2550520131 is about 1366.2900908199.
Adding to 2550520131 its reverse (1310250552), we get a palindrome (3860770683).
The spelling of 2550520131 in words is "two billion, five hundred fifty million, five hundred twenty thousand, one hundred thirty-one".
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