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2243431143 = 321181211067
BaseRepresentation
bin1000010110111000…
…0000101011100111
312210100102002222100
42011232000223213
514043304244033
61010340303143
7106410564402
oct20556005347
95710362870
102243431143
11a513a4028
125273a1ab3
13299a29b65
14173d44d39
15d1e4a513
hex85b80ae7

2243431143 has 12 divisors (see below), whose sum is σ = 3243270888. Its totient is φ = 1494347280.

The previous prime is 2243431123. The next prime is 2243431147. The reversal of 2243431143 is 3411343422.

2243431143 is a `hidden beast` number, since 224 + 3 + 431 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 2243431143 - 25 = 2243431111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243431147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94905 + ... + 116162.

It is an arithmetic number, because the mean of its divisors is an integer number (270272574).

Almost surely, 22243431143 is an apocalyptic number.

2243431143 is a deficient number, since it is larger than the sum of its proper divisors (999839745).

2243431143 is a wasteful number, since it uses less digits than its factorization.

2243431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212254 (or 212251 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2243431143 is about 47364.8724583947. The cubic root of 2243431143 is about 1309.0942485145.

Adding to 2243431143 its reverse (3411343422), we get a palindrome (5654774565).

The spelling of 2243431143 in words is "two billion, two hundred forty-three million, four hundred thirty-one thousand, one hundred forty-three".

Divisors: 1 3 9 1181 3543 10629 211067 633201 1899603 249270127 747810381 2243431143