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1310440001 = 13100803077
BaseRepresentation
bin100111000011011…
…1011101001000001
310101022211020201212
41032012323221001
510140433040001
6334011135505
744321361533
oct11606735101
93338736655
101310440001
11612788a72
12306a44595
1317b651bb0
14c607b853
157a0a37bb
hex4e1bba41

1310440001 has 4 divisors (see below), whose sum is σ = 1411243092. Its totient is φ = 1209636912.

The previous prime is 1310439997. The next prime is 1310440031. The reversal of 1310440001 is 1000440131.

It is a happy number.

It is a Cunningham number, because it is equal to 362002+1.

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 193877776 + 1116562225 = 13924^2 + 33415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310440001 - 22 = 1310439997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310440031) 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, 50401526 + ... + 50401551.

It is an arithmetic number, because the mean of its divisors is an integer number (352810773).

Almost surely, 21310440001 is an apocalyptic number.

It is an amenable number.

1310440001 is a deficient number, since it is larger than the sum of its proper divisors (100803091).

1310440001 is a wasteful number, since it uses less digits than its factorization.

1310440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100803090.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1310440001 is about 36200.0000138122. Note that the first 4 decimals coincide. The cubic root of 1310440001 is about 1094.3066720103.

Adding to 1310440001 its reverse (1000440131), we get a palindrome (2310880132).

The spelling of 1310440001 in words is "one billion, three hundred ten million, four hundred forty thousand, one".

Divisors: 1 13 100803077 1310440001