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143044433031 = 347681477677
BaseRepresentation
bin1000010100111000011…
…1001101010010000111
3111200020000100002202010
42011032013031102013
54320423333324111
6145414054345303
713222526422233
oct2051607152207
9450200302663
10143044433031
11557349427a5
122388135b233
1310648532a66
146ccdabd5c3
153ac3140aa6
hex214e1cd487

143044433031 has 4 divisors (see below), whose sum is σ = 190725910712. Its totient is φ = 95362955352.

The previous prime is 143044432943. The next prime is 143044433057. The reversal of 143044433031 is 130334440341.

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

It is not a de Polignac number, because 143044433031 - 27 = 143044432903 is a prime.

It is a super-2 number, since 2×1430444330312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143044433031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143044433131) 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 3 ways as a sum of consecutive naturals, for example, 23840738836 + ... + 23840738841.

It is an arithmetic number, because the mean of its divisors is an integer number (47681477678).

Almost surely, 2143044433031 is an apocalyptic number.

143044433031 is a deficient number, since it is larger than the sum of its proper divisors (47681477681).

143044433031 is an equidigital number, since it uses as much as digits as its factorization.

143044433031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47681477680.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 143044433031 its reverse (130334440341), we get a palindrome (273378873372).

The spelling of 143044433031 in words is "one hundred forty-three billion, forty-four million, four hundred thirty-three thousand, thirty-one".

Divisors: 1 3 47681477677 143044433031