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143042161541 = 294932488329
BaseRepresentation
bin1000010100110111111…
…0100010101110000101
3111200012212001200211212
42011031332202232011
54320422243132131
6145413533541205
713222501211636
oct2051576425605
9450185050755
10143042161541
1155733631134
1223880644805
1310647c18b96
146ccd68b88d
153ac2d42a2b
hex214dfa2b85

143042161541 has 4 divisors (see below), whose sum is σ = 147974649900. Its totient is φ = 138109673184.

The previous prime is 143042161511. The next prime is 143042161597. The reversal of 143042161541 is 145161240341.

143042161541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145161240341 = 1311166249257.

It can be written as a sum of positive squares in 2 ways, for example, as 42629860900 + 100412300641 = 206470^2 + 316879^2 .

It is a cyclic number.

It is not a de Polignac number, because 143042161541 - 26 = 143042161477 is a prime.

It is a super-3 number, since 3×1430421615413 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143042161498 and 143042161507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143042161511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466244136 + ... + 2466244193.

It is an arithmetic number, because the mean of its divisors is an integer number (36993662475).

Almost surely, 2143042161541 is an apocalyptic number.

It is an amenable number.

143042161541 is a deficient number, since it is larger than the sum of its proper divisors (4932488359).

143042161541 is an equidigital number, since it uses as much as digits as its factorization.

143042161541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932488358.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 143042161541 in words is "one hundred forty-three billion, forty-two million, one hundred sixty-one thousand, five hundred forty-one".

Divisors: 1 29 4932488329 143042161541