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201532974413 = 488941221717
BaseRepresentation
bin1011101110110001001…
…1010010010101001101
3201021012011211212001112
42323230103102111031
511300214420140123
6232325531021405
720363114006111
oct2735423222515
9637164755045
10201532974413
1178519123601
1233084b9a865
1316009ab8224
149a7b929741
155397d33d78
hex2eec4d254d

201532974413 has 4 divisors (see below), whose sum is σ = 201574201020. Its totient is φ = 201491747808.

The previous prime is 201532974367. The next prime is 201532974443. The reversal of 201532974413 is 314479235102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314479235102 = 2157239617551.

It can be written as a sum of positive squares in 2 ways, for example, as 92208180964 + 109324793449 = 303658^2 + 330643^2 .

It is a cyclic number.

It is not a de Polignac number, because 201532974413 - 28 = 201532974157 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 (201532974443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20605970 + ... + 20615747.

It is an arithmetic number, because the mean of its divisors is an integer number (50393550255).

Almost surely, 2201532974413 is an apocalyptic number.

It is an amenable number.

201532974413 is a deficient number, since it is larger than the sum of its proper divisors (41226607).

201532974413 is an equidigital number, since it uses as much as digits as its factorization.

201532974413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41226606.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 201532974413 in words is "two hundred one billion, five hundred thirty-two million, nine hundred seventy-four thousand, four hundred thirteen".

Divisors: 1 4889 41221717 201532974413