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12404203141 = 118948726017
BaseRepresentation
bin10111000110101100…
…10001111010000101
31012000110200210211011
423203112101322011
5200400434000031
65410505042221
7616246662361
oct134326217205
935013623734
1012404203141
115295938460
1224a2186371
131228b18295
148595982a1
154c8eb46b1
hex2e3591e85

12404203141 has 16 divisors (see below), whose sum is σ = 13712526720. Its totient is φ = 11126522880.

The previous prime is 12404203139. The next prime is 12404203159. The reversal of 12404203141 is 14130240421.

It is a happy number.

12404203141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12404203141 - 21 = 12404203139 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 (12404203241) 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 15 ways as a sum of consecutive naturals, for example, 463765 + ... + 489781.

It is an arithmetic number, because the mean of its divisors is an integer number (857032920).

Almost surely, 212404203141 is an apocalyptic number.

12404203141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12404203141 is a deficient number, since it is larger than the sum of its proper divisors (1308323579).

12404203141 is a wasteful number, since it uses less digits than its factorization.

12404203141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26604.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12404203141 its reverse (14130240421), we get a palindrome (26534443562).

The spelling of 12404203141 in words is "twelve billion, four hundred four million, two hundred three thousand, one hundred forty-one".

Divisors: 1 11 89 487 979 5357 26017 43343 286187 476773 2315513 12670279 25470643 139373069 1127654831 12404203141