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12404203142 = 29133679087
BaseRepresentation
bin10111000110101100…
…10001111010000110
31012000110200210211012
423203112101322012
5200400434000032
65410505042222
7616246662362
oct134326217206
935013623735
1012404203142
115295938461
1224a2186372
131228b18296
148595982a2
154c8eb46b2
hex2e3591e86

12404203142 has 8 divisors (see below), whose sum is σ = 18608369376. Its totient is φ = 6201413352.

The previous prime is 12404203139. The next prime is 12404203159. The reversal of 12404203142 is 24130240421.

12404203142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 321278 + ... + 357809.

It is an arithmetic number, because the mean of its divisors is an integer number (2326046172).

Almost surely, 212404203142 is an apocalyptic number.

12404203142 is a deficient number, since it is larger than the sum of its proper divisors (6204166234).

12404203142 is an equidigital number, since it uses as much as digits as its factorization.

12404203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688222.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12404203142 its reverse (24130240421), we get a palindrome (36534443563).

The spelling of 12404203142 in words is "twelve billion, four hundred four million, two hundred three thousand, one hundred forty-two".

Divisors: 1 2 9133 18266 679087 1358174 6202101571 12404203142