Base | Representation |
---|---|
bin | 100111000110010… |
… | …1011110110101001 |
3 | 10101102122212121010 |
4 | 1032030223312221 |
5 | 10141324320301 |
6 | 334103334133 |
7 | 44340242604 |
oct | 11614536651 |
9 | 3342585533 |
10 | 1311948201 |
11 | 613619113 |
12 | 307451349 |
13 | 17ba5c515 |
14 | c635133b |
15 | 7a2a05d6 |
hex | 4e32bda9 |
1311948201 has 8 divisors (see below), whose sum is σ = 1751069664. Its totient is φ = 873729440.
The previous prime is 1311948107. The next prime is 1311948223. The reversal of 1311948201 is 1028491131.
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 1311948201 - 210 = 1311947177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1311948301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222276 + ... + 228101.
It is an arithmetic number, because the mean of its divisors is an integer number (218883708).
Almost surely, 21311948201 is an apocalyptic number.
It is an amenable number.
1311948201 is a deficient number, since it is larger than the sum of its proper divisors (439121463).
1311948201 is an equidigital number, since it uses as much as digits as its factorization.
1311948201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 451351.
The product of its (nonzero) digits is 1728, while the sum is 30.
The square root of 1311948201 is about 36220.8255151646. The cubic root of 1311948201 is about 1094.7263276371.
The spelling of 1311948201 in words is "one billion, three hundred eleven million, nine hundred forty-eight thousand, two hundred one".
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