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43142312401 = 153533280997
BaseRepresentation
bin101000001011011110…
…110111000111010001
311010100122212112202021
4220023132313013101
51201323412444101
631452545251441
73055051414306
oct501336670721
9133318775667
1043142312401
111732978a941
128440333b81
1340b70a3806
142133a5b0ad
1511c77dc5a1
hexa0b7b71d1

43142312401 has 4 divisors (see below), whose sum is σ = 43142746932. Its totient is φ = 43141877872.

The previous prime is 43142312393. The next prime is 43142312417. The reversal of 43142312401 is 10421324134.

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 31461890625 + 11680421776 = 177375^2 + 108076^2 .

It is a cyclic number.

It is not a de Polignac number, because 43142312401 - 23 = 43142312393 is a prime.

It is a super-2 number, since 2×431423124012 (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 (43142312471) 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, 13035 + ... + 294031.

It is an arithmetic number, because the mean of its divisors is an integer number (10785686733).

Almost surely, 243142312401 is an apocalyptic number.

It is an amenable number.

43142312401 is a deficient number, since it is larger than the sum of its proper divisors (434531).

43142312401 is a wasteful number, since it uses less digits than its factorization.

43142312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434530.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43142312401 its reverse (10421324134), we get a palindrome (53563636535).

The spelling of 43142312401 in words is "forty-three billion, one hundred forty-two million, three hundred twelve thousand, four hundred one".

Divisors: 1 153533 280997 43142312401