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12403220053 = 74750877411
BaseRepresentation
bin10111000110100101…
…00001111001010101
31012000101211212021111
423203102201321111
5200400211020203
65410432015021
7616235426260
oct134322417125
935011755244
1012403220053
115295326894
1224a1991471
131228862983
148593bdcd7
154c8d6d26d
hex2e34a1e55

12403220053 has 16 divisors (see below), whose sum is σ = 14481506304. Its totient is φ = 10401683760.

The previous prime is 12403220041. The next prime is 12403220069. The reversal of 12403220053 is 35002230421.

12403220053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12403220053 - 25 = 12403220021 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 (12403220003) 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, 1669918 + ... + 1677328.

It is an arithmetic number, because the mean of its divisors is an integer number (905094144).

Almost surely, 212403220053 is an apocalyptic number.

It is an amenable number.

12403220053 is a deficient number, since it is larger than the sum of its proper divisors (2078286251).

12403220053 is an equidigital number, since it uses as much as digits as its factorization.

12403220053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12552.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 12403220053 its reverse (35002230421), we get a palindrome (47405450474).

The spelling of 12403220053 in words is "twelve billion, four hundred three million, two hundred twenty thousand, fifty-three".

Divisors: 1 7 47 329 5087 7411 35609 51877 239089 348317 1673623 2438219 37699757 263898299 1771888579 12403220053