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1423331013 = 313210726237
BaseRepresentation
bin101010011010110…
…0100111011000101
310200012020201002110
41110311210323011
510403333043023
6353122531233
750162054046
oct12465447305
93605221073
101423331013
11670484725
12338806b19
13198b5a100
14d70668cd
1584e52a93
hex54d64ec5

1423331013 has 24 divisors (see below), whose sum is σ = 2074271328. Its totient is φ = 867676992.

The previous prime is 1423331009. The next prime is 1423331017. The reversal of 1423331013 is 3101333241.

It is an interprime number because it is at equal distance from previous prime (1423331009) and next prime (1423331017).

It is not a de Polignac number, because 1423331013 - 22 = 1423331009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423331017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41131 + ... + 67367.

It is an arithmetic number, because the mean of its divisors is an integer number (86427972).

Almost surely, 21423331013 is an apocalyptic number.

1423331013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1423331013 is a deficient number, since it is larger than the sum of its proper divisors (650940315).

1423331013 is a wasteful number, since it uses less digits than its factorization.

1423331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26373 (or 26360 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1423331013 is about 37727.0594268888. The cubic root of 1423331013 is about 1124.8690581426.

Adding to 1423331013 its reverse (3101333241), we get a palindrome (4524664254).

The spelling of 1423331013 in words is "one billion, four hundred twenty-three million, three hundred thirty-one thousand, thirteen".

Divisors: 1 3 13 39 107 169 321 507 1391 4173 18083 26237 54249 78711 341081 1023243 2807359 4434053 8422077 13302159 36495667 109487001 474443671 1423331013