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16872810041 = 37456021893
BaseRepresentation
bin11111011011011001…
…01010011000111001
31121112220011120002102
433231230222120321
5234023414410131
611430134513145
71135060343003
oct175554523071
947486146072
1016872810041
117179296a0a
12332a8057b5
13178b84c989
14b60c51373
1568b4511cb
hex3edb2a639

16872810041 has 4 divisors (see below), whose sum is σ = 17328831972. Its totient is φ = 16416788112.

The previous prime is 16872810013. The next prime is 16872810043. The reversal of 16872810041 is 14001827861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13970294416 + 2902515625 = 118196^2 + 53875^2 .

It is not a de Polignac number, because 16872810041 - 26 = 16872809977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16872809977 and 16872810004.

It is not an unprimeable number, because it can be changed into a prime (16872810043) 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, 228010910 + ... + 228010983.

It is an arithmetic number, because the mean of its divisors is an integer number (4332207993).

Almost surely, 216872810041 is an apocalyptic number.

It is an amenable number.

16872810041 is a deficient number, since it is larger than the sum of its proper divisors (456021931).

16872810041 is an equidigital number, since it uses as much as digits as its factorization.

16872810041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456021930.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 16872810041 in words is "sixteen billion, eight hundred seventy-two million, eight hundred ten thousand, forty-one".

Divisors: 1 37 456021893 16872810041