Base | Representation |
---|---|
bin | 111011101111101… |
… | …000101011011011 |
3 | 2120212002022021200 |
4 | 323233220223123 |
5 | 4023044440011 |
6 | 243243405243 |
7 | 33560530116 |
oct | 7357505333 |
9 | 2525068250 |
10 | 1002343131 |
11 | 474884259 |
12 | 23b823823 |
13 | 12c87a85a |
14 | 9719b57d |
15 | 5cee5856 |
hex | 3bbe8adb |
1002343131 has 12 divisors (see below), whose sum is σ = 1451715408. Its totient is φ = 666435024.
The previous prime is 1002343123. The next prime is 1002343141. The reversal of 1002343131 is 1313432001.
It is not a de Polignac number, because 1002343131 - 23 = 1002343123 is a prime.
It is a super-2 number, since 2×10023431312 = 2009383504525766322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1002343141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145935 + ... + 152648.
It is an arithmetic number, because the mean of its divisors is an integer number (120976284).
Almost surely, 21002343131 is an apocalyptic number.
1002343131 is a deficient number, since it is larger than the sum of its proper divisors (449372277).
1002343131 is a wasteful number, since it uses less digits than its factorization.
1002343131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298962 (or 298959 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1002343131 is about 31659.8030789833. The cubic root of 1002343131 is about 1000.7804344303.
Adding to 1002343131 its reverse (1313432001), we get a palindrome (2315775132).
The spelling of 1002343131 in words is "one billion, two million, three hundred forty-three thousand, one hundred thirty-one".
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