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12013301323 = 19233277843
BaseRepresentation
bin10110011000000110…
…00110111001001011
31011000020010221100001
423030003012321023
5144100401120243
65304022423431
7603462243052
oct131403067113
934006127301
1012013301323
115105217101
1223b3291b77
131195b40c2a
1481d6c1399
154a49eba4d
hex2cc0c6e4b

12013301323 has 6 divisors (see below), whose sum is σ = 12678858564. Its totient is φ = 11381021964.

The previous prime is 12013301273. The next prime is 12013301329. The reversal of 12013301323 is 32310331021.

It is not a de Polignac number, because 12013301323 - 229 = 11476430411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 12013301323.

It is not an unprimeable number, because it can be changed into a prime (12013301329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16638561 + ... + 16639282.

It is an arithmetic number, because the mean of its divisors is an integer number (2113143094).

Almost surely, 212013301323 is an apocalyptic number.

12013301323 is a deficient number, since it is larger than the sum of its proper divisors (665557241).

12013301323 is an equidigital number, since it uses as much as digits as its factorization.

12013301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33277881 (or 33277862 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12013301323 its reverse (32310331021), we get a palindrome (44323632344).

The spelling of 12013301323 in words is "twelve billion, thirteen million, three hundred one thousand, three hundred twenty-three".

Divisors: 1 19 361 33277843 632279017 12013301323