Base | Representation |
---|---|
bin | 11110101001101… |
… | …00011111100010 |
3 | 122220210212000122 |
4 | 33110310133202 |
5 | 1011310204010 |
6 | 41302520242 |
7 | 6241310465 |
oct | 1724643742 |
9 | 586725018 |
10 | 257116130 |
11 | 122154177 |
12 | 72136082 |
13 | 4136472b |
14 | 2620d2dc |
15 | 1788c855 |
hex | f5347e2 |
257116130 has 16 divisors (see below), whose sum is σ = 462991680. Its totient is φ = 102805872.
The previous prime is 257116129. The next prime is 257116133. The reversal of 257116130 is 31611752.
It is a super-2 number, since 2×2571161302 = 132217408612353800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 257116130.
It is not an unprimeable number, because it can be changed into a prime (257116133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46577 + ... + 51803.
It is an arithmetic number, because the mean of its divisors is an integer number (28936980).
Almost surely, 2257116130 is an apocalyptic number.
257116130 is a deficient number, since it is larger than the sum of its proper divisors (205875550).
257116130 is a wasteful number, since it uses less digits than its factorization.
257116130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10153.
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 257116130 is about 16034.8411279938. The cubic root of 257116130 is about 635.8818672907.
Adding to 257116130 its reverse (31611752), we get a palindrome (288727882).
The spelling of 257116130 in words is "two hundred fifty-seven million, one hundred sixteen thousand, one hundred thirty".
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