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43142311441 = 211263777437
BaseRepresentation
bin101000001011011110…
…110110111000010001
311010100122212111102201
4220023132312320101
51201323412431231
631452545243201
73055051411435
oct501336667021
9133318774381
1043142311441
111732978a149
128440333501
1340b70a3248
142133a5a9c5
1511c77dc161
hexa0b7b6e11

43142311441 has 8 divisors (see below), whose sum is σ = 43511649984. Its totient is φ = 42774528720.

The previous prime is 43142311423. The next prime is 43142311483. The reversal of 43142311441 is 14411324134.

43142311441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43142311441 - 213 = 43142303249 is a prime.

It is a super-2 number, since 2×431423114412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43142311241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333226 + ... + 444211.

It is an arithmetic number, because the mean of its divisors is an integer number (5438956248).

Almost surely, 243142311441 is an apocalyptic number.

It is an amenable number.

43142311441 is a deficient number, since it is larger than the sum of its proper divisors (369338543).

43142311441 is a wasteful number, since it uses less digits than its factorization.

43142311441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777911.

The product of its digits is 4608, while the sum is 28.

Adding to 43142311441 its reverse (14411324134), we get a palindrome (57553635575).

The spelling of 43142311441 in words is "forty-three billion, one hundred forty-two million, three hundred eleven thousand, four hundred forty-one".

Divisors: 1 211 263 55493 777437 164039207 204465931 43142311441