Base | Representation |
---|---|
bin | 100111001000011… |
… | …0010100011011111 |
3 | 10101111200112121210 |
4 | 1032100302203133 |
5 | 10142113233343 |
6 | 334142355503 |
7 | 44352343650 |
oct | 11620624337 |
9 | 3344615553 |
10 | 1313024223 |
11 | 614193595 |
12 | 30788bb93 |
13 | 17c048214 |
14 | c6551527 |
15 | 7a414333 |
hex | 4e4328df |
1313024223 has 32 divisors (see below), whose sum is σ = 2128121856. Its totient is φ = 702955008.
The previous prime is 1313024129. The next prime is 1313024231. The reversal of 1313024223 is 3224203131.
It is not a de Polignac number, because 1313024223 - 28 = 1313023967 is a prime.
It is a super-2 number, since 2×13130242232 = 3448065220369507458, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 1313024223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313024263) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71365 + ... + 87857.
It is an arithmetic number, because the mean of its divisors is an integer number (66503808).
Almost surely, 21313024223 is an apocalyptic number.
1313024223 is a deficient number, since it is larger than the sum of its proper divisors (815097633).
1313024223 is a wasteful number, since it uses less digits than its factorization.
1313024223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16743.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1313024223 is about 36235.6761079464. The cubic root of 1313024223 is about 1095.0255334844.
Adding to 1313024223 its reverse (3224203131), we get a palindrome (4537227354).
The spelling of 1313024223 in words is "one billion, three hundred thirteen million, twenty-four thousand, two hundred twenty-three".
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