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43401463141 = 178877242633
BaseRepresentation
bin101000011010111011…
…011100010101100101
311011000201111202201211
4220122323130111211
51202341233310031
631534403551421
73064346230651
oct503273342545
9134021452654
1043401463141
1117451aa3703
1284b308b571
13412899b34a
14215a239a61
1511e042cbb1
hexa1aedc565

43401463141 has 4 divisors (see below), whose sum is σ = 43401884652. Its totient is φ = 43401041632.

The previous prime is 43401463139. The next prime is 43401463153. The reversal of 43401463141 is 14136410434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 31937264100 + 11464199041 = 178710^2 + 107071^2 .

It is a cyclic number.

It is not a de Polignac number, because 43401463141 - 21 = 43401463139 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 (43401463741) 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, 57561 + ... + 300193.

It is an arithmetic number, because the mean of its divisors is an integer number (10850471163).

Almost surely, 243401463141 is an apocalyptic number.

It is an amenable number.

43401463141 is a deficient number, since it is larger than the sum of its proper divisors (421511).

43401463141 is a wasteful number, since it uses less digits than its factorization.

43401463141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421510.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 43401463141 its reverse (14136410434), we get a palindrome (57537873575).

The spelling of 43401463141 in words is "forty-three billion, four hundred one million, four hundred sixty-three thousand, one hundred forty-one".

Divisors: 1 178877 242633 43401463141