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2124431143 = 4451477293
BaseRepresentation
bin111111010100000…
…0011111100100111
312111001111021122221
41332220003330213
513322323244033
6550445533211
7103434236542
oct17650037447
95431437587
102124431143
119a020561a
124b3574207
1327b193163
14162209859
15c679112d
hex7ea03f27

2124431143 has 4 divisors (see below), whose sum is σ = 2124912888. Its totient is φ = 2123949400.

The previous prime is 2124431137. The next prime is 2124431149. The reversal of 2124431143 is 3411344212.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2124431137) and next prime (2124431149).

It is a cyclic number.

It is not a de Polignac number, because 2124431143 - 29 = 2124430631 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 (2124431149) 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, 234196 + ... + 243097.

It is an arithmetic number, because the mean of its divisors is an integer number (531228222).

Almost surely, 22124431143 is an apocalyptic number.

2124431143 is a deficient number, since it is larger than the sum of its proper divisors (481745).

2124431143 is an equidigital number, since it uses as much as digits as its factorization.

2124431143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481744.

The product of its digits is 2304, while the sum is 25.

The square root of 2124431143 is about 46091.5517530057. The cubic root of 2124431143 is about 1285.5260641863.

Adding to 2124431143 its reverse (3411344212), we get a palindrome (5535775355).

The spelling of 2124431143 in words is "two billion, one hundred twenty-four million, four hundred thirty-one thousand, one hundred forty-three".

Divisors: 1 4451 477293 2124431143