Base | Representation |
---|---|
bin | 100110110100001… |
… | …0001000100110010 |
3 | 10100202200211202022 |
4 | 1031220101010302 |
5 | 10131403320310 |
6 | 333122551442 |
7 | 44163141266 |
oct | 11550210462 |
9 | 3322624668 |
10 | 1302401330 |
11 | 60919843a |
12 | 304208582 |
13 | 179a98c99 |
14 | c4d880a6 |
15 | 79516a55 |
hex | 4da11132 |
1302401330 has 16 divisors (see below), whose sum is σ = 2388555864. Its totient is φ = 511130880.
The previous prime is 1302401299. The next prime is 1302401333. The reversal of 1302401330 is 331042031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1125803809 + 176597521 = 33553^2 + 13289^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1302401299 and 1302401308.
It is not an unprimeable number, because it can be changed into a prime (1302401333) 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, 1228151 + ... + 1229210.
Almost surely, 21302401330 is an apocalyptic number.
1302401330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1302401330 is a deficient number, since it is larger than the sum of its proper divisors (1086154534).
1302401330 is a wasteful number, since it uses less digits than its factorization.
1302401330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2457421.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1302401330 is about 36088.7978464232. The cubic root of 1302401330 is about 1092.0644683010.
Adding to 1302401330 its reverse (331042031), we get a palindrome (1633443361).
The spelling of 1302401330 in words is "one billion, three hundred two million, four hundred one thousand, three hundred thirty".
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