Base | Representation |
---|---|
bin | 100110110011101… |
… | …0010000110101001 |
3 | 10100202012201221101 |
4 | 1031213102012221 |
5 | 10131322042101 |
6 | 333113241401 |
7 | 44161015306 |
oct | 11547220651 |
9 | 3322181841 |
10 | 1302143401 |
11 | 609031679 |
12 | 304103261 |
13 | 179a08770 |
14 | c4d1c0ad |
15 | 794b5401 |
hex | 4d9d21a9 |
1302143401 has 8 divisors (see below), whose sum is σ = 1409576840. Its totient is φ = 1195748352.
The previous prime is 1302143389. The next prime is 1302143411. The reversal of 1302143401 is 1043412031.
It can be written as a sum of positive squares in 4 ways, for example, as 159365376 + 1142778025 = 12624^2 + 33805^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1302143401 - 25 = 1302143369 is a prime.
It is a super-3 number, since 3×13021434013 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1302143411) 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, 256986 + ... + 262003.
It is an arithmetic number, because the mean of its divisors is an integer number (176197105).
Almost surely, 21302143401 is an apocalyptic number.
It is an amenable number.
1302143401 is a deficient number, since it is larger than the sum of its proper divisors (107433439).
1302143401 is a wasteful number, since it uses less digits than its factorization.
1302143401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 519195.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1302143401 is about 36085.2241367571. The cubic root of 1302143401 is about 1091.9923723230.
Adding to 1302143401 its reverse (1043412031), we get a palindrome (2345555432).
The spelling of 1302143401 in words is "one billion, three hundred two million, one hundred forty-three thousand, four hundred one".
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