Base | Representation |
---|---|
bin | 111011101111111… |
… | …101111010110011 |
3 | 2120212020201121220 |
4 | 323233331322303 |
5 | 4023110231011 |
6 | 243245320123 |
7 | 33561341553 |
oct | 7357757263 |
9 | 2525221556 |
10 | 1002430131 |
11 | 47493365a |
12 | 23b866043 |
13 | 12c8ab331 |
14 | 971c1163 |
15 | 5d011506 |
hex | 3bbfdeb3 |
1002430131 has 16 divisors (see below), whose sum is σ = 1362624000. Its totient is φ = 655375968.
The previous prime is 1002430129. The next prime is 1002430133. The reversal of 1002430131 is 1310342001.
It is an interprime number because it is at equal distance from previous prime (1002430129) and next prime (1002430133).
It is not a de Polignac number, because 1002430131 - 21 = 1002430129 is a prime.
It is a super-2 number, since 2×10024301312 = 2009732335073354322, 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 1002430131.
It is not an unprimeable number, because it can be changed into a prime (1002430133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21120 + ... + 49506.
It is an arithmetic number, because the mean of its divisors is an integer number (85164000).
Almost surely, 21002430131 is an apocalyptic number.
1002430131 is a deficient number, since it is larger than the sum of its proper divisors (360193869).
1002430131 is a wasteful number, since it uses less digits than its factorization.
1002430131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28618.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1002430131 is about 31661.1770311844. The cubic root of 1002430131 is about 1000.8093883804.
Adding to 1002430131 its reverse (1310342001), we get a palindrome (2312772132).
The spelling of 1002430131 in words is "one billion, two million, four hundred thirty thousand, one hundred thirty-one".
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