Base | Representation |
---|---|
bin | 10010101011111… |
… | …101000010100111 |
3 | 210211221001202101 |
4 | 102223331002213 |
5 | 1120224341403 |
6 | 51035352531 |
7 | 10524544312 |
oct | 2253750247 |
9 | 724831671 |
10 | 313512103 |
11 | 150a73313 |
12 | 88bb2747 |
13 | 4cc4c128 |
14 | 2d8cd979 |
15 | 1c7cc71d |
hex | 12afd0a7 |
313512103 has 8 divisors (see below), whose sum is σ = 344361600. Its totient is φ = 284097528.
The previous prime is 313512077. The next prime is 313512131. The reversal of 313512103 is 301215313.
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 313512103 - 217 = 313381031 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313512203) 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, 358273 + ... + 359146.
It is an arithmetic number, because the mean of its divisors is an integer number (43045200).
Almost surely, 2313512103 is an apocalyptic number.
313512103 is a deficient number, since it is larger than the sum of its proper divisors (30849497).
313512103 is a wasteful number, since it uses less digits than its factorization.
313512103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717461.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 313512103 is about 17706.2729844538. The cubic root of 313512103 is about 679.3362200553.
Adding to 313512103 its reverse (301215313), we get a palindrome (614727416).
The spelling of 313512103 in words is "three hundred thirteen million, five hundred twelve thousand, one hundred three".
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