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12432124243 = 711237019833
BaseRepresentation
bin10111001010000001…
…10010100101010011
31012002102020100101001
423211000302211103
5200430110433433
65413343322431
7620036212120
oct134500624523
935072210331
1012432124243
1152aa678a50
1224ab5b0417
131231842c46
1485d185747
154cb67c57d
hex2e5032953

12432124243 has 16 divisors (see below), whose sum is σ = 16173697536. Its totient is φ = 9266178240.

The previous prime is 12432124241. The next prime is 12432124249. The reversal of 12432124243 is 34242123421.

It is not a de Polignac number, because 12432124243 - 21 = 12432124241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12432124241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508146 + ... + 3511687.

It is an arithmetic number, because the mean of its divisors is an integer number (1010856096).

Almost surely, 212432124243 is an apocalyptic number.

12432124243 is a deficient number, since it is larger than the sum of its proper divisors (3741573293).

12432124243 is a wasteful number, since it uses less digits than its factorization.

12432124243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019874.

The product of its digits is 9216, while the sum is 28.

Adding to 12432124243 its reverse (34242123421), we get a palindrome (46674247664).

The spelling of 12432124243 in words is "twelve billion, four hundred thirty-two million, one hundred twenty-four thousand, two hundred forty-three".

Divisors: 1 7 11 23 77 161 253 1771 7019833 49138831 77218163 161456159 540527141 1130193113 1776017749 12432124243