Search a number
-
+
1310044013 = 41227140759
BaseRepresentation
bin100111000010101…
…1010111101101101
310101022002010112122
41032011122331231
510140332402023
6333554442325
744315122205
oct11605327555
93338063478
101310044013
11612538503
123068933a5
1317b543895
14c5db7405
157a0262c8
hex4e15af6d

1310044013 has 8 divisors (see below), whose sum is σ = 1347917760. Its totient is φ = 1272452320.

The previous prime is 1310044009. The next prime is 1310044031. The reversal of 1310044013 is 3104400131.

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 1310044013 - 22 = 1310044009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310043982 and 1310044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310044093) 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, 61073 + ... + 79686.

It is an arithmetic number, because the mean of its divisors is an integer number (168489720).

Almost surely, 21310044013 is an apocalyptic number.

It is an amenable number.

1310044013 is a deficient number, since it is larger than the sum of its proper divisors (37873747).

1310044013 is a wasteful number, since it uses less digits than its factorization.

1310044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141027.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1310044013 is about 36194.5301530494. The cubic root of 1310044013 is about 1094.1964352539.

Adding to 1310044013 its reverse (3104400131), we get a palindrome (4414444144).

The spelling of 1310044013 in words is "one billion, three hundred ten million, forty-four thousand, thirteen".

Divisors: 1 41 227 9307 140759 5771119 31952293 1310044013