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1313214401 = 5092579989
BaseRepresentation
bin100111001000110…
…0000111111000001
310101112001012111102
41032101200333001
510142140330101
6334150424145
744354065262
oct11621407701
93345035442
101313214401
11614303464
12307962055
1317c0b3955
14c65a0969
157a45086b
hex4e460fc1

1313214401 has 4 divisors (see below), whose sum is σ = 1315794900. Its totient is φ = 1310633904.

The previous prime is 1313214391. The next prime is 1313214439. The reversal of 1313214401 is 1044123131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 479391025 + 833823376 = 21895^2 + 28876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313214401 - 214 = 1313198017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313214481) 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, 1289486 + ... + 1290503.

It is an arithmetic number, because the mean of its divisors is an integer number (328948725).

Almost surely, 21313214401 is an apocalyptic number.

It is an amenable number.

1313214401 is a deficient number, since it is larger than the sum of its proper divisors (2580499).

1313214401 is an equidigital number, since it uses as much as digits as its factorization.

1313214401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580498.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1313214401 is about 36238.3001946835. The cubic root of 1313214401 is about 1095.0783986458.

Adding to 1313214401 its reverse (1044123131), we get a palindrome (2357337532).

The spelling of 1313214401 in words is "one billion, three hundred thirteen million, two hundred fourteen thousand, four hundred one".

Divisors: 1 509 2579989 1313214401