Search a number
-
+
12401431003 = 13953956231
BaseRepresentation
bin10111000110010111…
…01101000111011011
31012000021110222011101
423203023231013123
5200344231243003
65410325412231
7616214265343
oct134313550733
935007428141
1012401431003
115294314735
1224a126a077
131228387570
14859075d23
154c8b1811d
hex2e32ed1db

12401431003 has 4 divisors (see below), whose sum is σ = 13355387248. Its totient is φ = 11447474760.

The previous prime is 12401430971. The next prime is 12401431033. The reversal of 12401431003 is 30013410421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30013410421 = 49676042563.

It is a cyclic number.

It is not a de Polignac number, because 12401431003 - 25 = 12401430971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12401431033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476978103 + ... + 476978128.

It is an arithmetic number, because the mean of its divisors is an integer number (3338846812).

Almost surely, 212401431003 is an apocalyptic number.

12401431003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12401431003 is a deficient number, since it is larger than the sum of its proper divisors (953956245).

12401431003 is an equidigital number, since it uses as much as digits as its factorization.

12401431003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953956244.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12401431003 its reverse (30013410421), we get a palindrome (42414841424).

The spelling of 12401431003 in words is "twelve billion, four hundred one million, four hundred thirty-one thousand, three".

Divisors: 1 13 953956231 12401431003