Search a number
-
+
1310043423 = 313371098329
BaseRepresentation
bin100111000010101…
…1010110100011111
310101022002002201210
41032011122310133
510140332342143
6333554435503
744315120403
oct11605326437
93338062653
101310043423
11612538017
12306892b93
1317b543530
14c5db7103
157a026033
hex4e15ad1f

1310043423 has 32 divisors (see below), whose sum is σ = 1949886400. Its totient is φ = 777102336.

The previous prime is 1310043403. The next prime is 1310043431. The reversal of 1310043423 is 3243400131.

It is not a de Polignac number, because 1310043423 - 26 = 1310043359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310043423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310043403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153123 + ... + 161451.

It is an arithmetic number, because the mean of its divisors is an integer number (60933950).

Almost surely, 21310043423 is an apocalyptic number.

1310043423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1310043423 is a deficient number, since it is larger than the sum of its proper divisors (639842977).

1310043423 is a wasteful number, since it uses less digits than its factorization.

1310043423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1310043423 is about 36194.5220026456. The cubic root of 1310043423 is about 1094.1962709907.

Adding to 1310043423 its reverse (3243400131), we get a palindrome (4553443554).

The spelling of 1310043423 in words is "one billion, three hundred ten million, forty-three thousand, four hundred twenty-three".

Divisors: 1 3 13 37 39 109 111 327 481 1417 1443 4033 4251 8329 12099 24987 52429 108277 157287 308173 324831 907861 924519 2723583 4006249 11802193 12018747 33590857 35406579 100772571 436681141 1310043423