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12402032103 = 321378003567
BaseRepresentation
bin10111000110011011…
…11111110111100111
31012000022121111201100
423203031333313213
5200344410011403
65410350331143
7616222350666
oct134315776747
935008544640
1012402032103
11529469530a
1224a14b9ab3
131228538046
14859190ddd
154c8bd62a3
hex2e337fde7

12402032103 has 6 divisors (see below), whose sum is σ = 17914046384. Its totient is φ = 8268021396.

The previous prime is 12402032077. The next prime is 12402032141. The reversal of 12402032103 is 30123020421.

It is not a de Polignac number, because 12402032103 - 210 = 12402031079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402032603) 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, 689001775 + ... + 689001792.

Almost surely, 212402032103 is an apocalyptic number.

12402032103 is a deficient number, since it is larger than the sum of its proper divisors (5512014281).

12402032103 is a wasteful number, since it uses less digits than its factorization.

12402032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378003573 (or 1378003570 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12402032103 its reverse (30123020421), we get a palindrome (42525052524).

The spelling of 12402032103 in words is "twelve billion, four hundred two million, thirty-two thousand, one hundred three".

Divisors: 1 3 9 1378003567 4134010701 12402032103