Base | Representation |
---|---|
bin | 100111001000100… |
… | …1111010011110001 |
3 | 10101111220112011221 |
4 | 1032101033103301 |
5 | 10142131021001 |
6 | 334145105041 |
7 | 44353344223 |
oct | 11621172361 |
9 | 3344815157 |
10 | 1313142001 |
11 | 614264026 |
12 | 307928181 |
13 | 17c089a02 |
14 | c6582413 |
15 | 7a4391a1 |
hex | 4e44f4f1 |
1313142001 has 2 divisors, whose sum is σ = 1313142002. Its totient is φ = 1313142000.
The previous prime is 1313141993. The next prime is 1313142023. The reversal of 1313142001 is 1002413131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1308630625 + 4511376 = 36175^2 + 2124^2 .
It is an emirp because it is prime and its reverse (1002413131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1313142001 - 23 = 1313141993 is a prime.
It is not a weakly prime, because it can be changed into another prime (1313142091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656571000 + 656571001.
It is an arithmetic number, because the mean of its divisors is an integer number (656571001).
Almost surely, 21313142001 is an apocalyptic number.
It is an amenable number.
1313142001 is a deficient number, since it is larger than the sum of its proper divisors (1).
1313142001 is an equidigital number, since it uses as much as digits as its factorization.
1313142001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1313142001 is about 36237.3012378130. The cubic root of 1313142001 is about 1095.0582736931.
Adding to 1313142001 its reverse (1002413131), we get a palindrome (2315555132).
The spelling of 1313142001 in words is "one billion, three hundred thirteen million, one hundred forty-two thousand, one".
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