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1313342501 = 35317412137
BaseRepresentation
bin100111001001000…
…0000010000100101
310101112021201012212
41032102000100211
510142203430001
6334153253205
744355140612
oct11622002045
93345251185
101313342501
11614390729
12307a04205
1317c12a053
14c65d5509
157a4787bb
hex4e480425

1313342501 has 8 divisors (see below), whose sum is σ = 1318436184. Its totient is φ = 1308257280.

The previous prime is 1313342483. The next prime is 1313342521. The reversal of 1313342501 is 1052433131.

It can be written as a sum of positive squares in 4 ways, for example, as 126540001 + 1186802500 = 11249^2 + 34450^2 .

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 1313342501 - 230 = 239600677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313342521) 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, 613505 + ... + 615641.

It is an arithmetic number, because the mean of its divisors is an integer number (164804523).

Almost surely, 21313342501 is an apocalyptic number.

It is an amenable number.

1313342501 is a deficient number, since it is larger than the sum of its proper divisors (5093683).

1313342501 is a wasteful number, since it uses less digits than its factorization.

1313342501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1313342501 is about 36240.0676185903. The cubic root of 1313342501 is about 1095.1140046574.

Adding to 1313342501 its reverse (1052433131), we get a palindrome (2365775632).

The spelling of 1313342501 in words is "one billion, three hundred thirteen million, three hundred forty-two thousand, five hundred one".

Divisors: 1 353 1741 2137 614573 754361 3720517 1313342501