Base | Representation |
---|---|
bin | 100110110001101… |
… | …1010111100100010 |
3 | 10100200022022020121 |
4 | 1031203122330202 |
5 | 10131042143132 |
6 | 333035430454 |
7 | 44146300651 |
oct | 11543327442 |
9 | 3320268217 |
10 | 1301131042 |
11 | 608500012 |
12 | 3038b542a |
13 | 179742a33 |
14 | c4b37198 |
15 | 79365497 |
hex | 4d8daf22 |
1301131042 has 8 divisors (see below), whose sum is σ = 1968968556. Its totient is φ = 644808192.
The previous prime is 1301130983. The next prime is 1301131043. The reversal of 1301131042 is 2401311031.
It can be written as a sum of positive squares in 2 ways, for example, as 1253230801 + 47900241 = 35401^2 + 6921^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1301131043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878383 + ... + 2878834.
Almost surely, 21301131042 is an apocalyptic number.
1301131042 is a deficient number, since it is larger than the sum of its proper divisors (667837514).
1301131042 is a wasteful number, since it uses less digits than its factorization.
1301131042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5757332.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1301131042 is about 36071.1940750511. The cubic root of 1301131042 is about 1091.7093070020.
Adding to 1301131042 its reverse (2401311031), we get a palindrome (3702442073).
The spelling of 1301131042 in words is "one billion, three hundred one million, one hundred thirty-one thousand, forty-two".
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