Base | Representation |
---|---|
bin | 100111001100111… |
… | …0110101000010011 |
3 | 10101200011020212100 |
4 | 1032121312220103 |
5 | 10143220301321 |
6 | 334305331443 |
7 | 44411501016 |
oct | 11631665023 |
9 | 3350136770 |
10 | 1315400211 |
11 | 615566714 |
12 | 308636b83 |
13 | 17c69a828 |
14 | c69ad37d |
15 | 7a733326 |
hex | 4e676a13 |
1315400211 has 24 divisors (see below), whose sum is σ = 2014346880. Its totient is φ = 824299776.
The previous prime is 1315400201. The next prime is 1315400257. The reversal of 1315400211 is 1120045131.
It is not a de Polignac number, because 1315400211 - 25 = 1315400179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1315400201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125470 + ... + 135548.
It is an arithmetic number, because the mean of its divisors is an integer number (83931120).
Almost surely, 21315400211 is an apocalyptic number.
1315400211 is a deficient number, since it is larger than the sum of its proper divisors (698946669).
1315400211 is a wasteful number, since it uses less digits than its factorization.
1315400211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10955 (or 10952 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 1315400211 is about 36268.4464927849. The cubic root of 1315400211 is about 1095.6856380256.
Adding to 1315400211 its reverse (1120045131), we get a palindrome (2435445342).
The spelling of 1315400211 in words is "one billion, three hundred fifteen million, four hundred thousand, two hundred eleven".
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