Base | Representation |
---|---|
bin | 100100101010100… |
… | …0101111111001001 |
3 | 10011201222000010000 |
4 | 1021111011333021 |
5 | 10004422010223 |
6 | 322024513213 |
7 | 42326043153 |
oct | 11125057711 |
9 | 3151860100 |
10 | 1230266313 |
11 | 5814a9321 |
12 | 2a401b809 |
13 | 167b60743 |
14 | b956bad3 |
15 | 73018543 |
hex | 49545fc9 |
1230266313 has 40 divisors (see below), whose sum is σ = 1898519040. Its totient is φ = 793488960.
The previous prime is 1230266311. The next prime is 1230266347. The reversal of 1230266313 is 3136620321.
It is a happy number.
1230266313 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 26 + 631 + 3 = 666.
It is not a de Polignac number, because 1230266313 - 21 = 1230266311 is a prime.
It is a super-2 number, since 2×12302663132 = 3027110401805227938, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (1230266311) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 337008 + ... + 340638.
It is an arithmetic number, because the mean of its divisors is an integer number (47462976).
Almost surely, 21230266313 is an apocalyptic number.
It is an amenable number.
1230266313 is a deficient number, since it is larger than the sum of its proper divisors (668252727).
1230266313 is an equidigital number, since it uses as much as digits as its factorization.
1230266313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3779 (or 3770 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 1230266313 is about 35075.1523588993. The cubic root of 1230266313 is about 1071.5185916821.
Adding to 1230266313 its reverse (3136620321), we get a palindrome (4366886634).
The spelling of 1230266313 in words is "one billion, two hundred thirty million, two hundred sixty-six thousand, three hundred thirteen".
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