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47213097813 = 3272341732003
BaseRepresentation
bin101011111110000111…
…101011001101010101
311111212100202212112100
4223332013223031111
51233143023112223
633404524312313
73260661465330
oct537607531525
9144770685470
1047213097813
1119028621202
1291976a2699
1345b557a38b
1423dc559617
151364d96043
hexafe1eb355

47213097813 has 24 divisors (see below), whose sum is σ = 77944845888. Its totient is φ = 26976917952.

The previous prime is 47213097803. The next prime is 47213097847. The reversal of 47213097813 is 31879031274.

47213097813 is a `hidden beast` number, since 472 + 13 + 0 + 97 + 81 + 3 = 666.

It is not a de Polignac number, because 47213097813 - 222 = 47208903509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47213097803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1459270 + ... + 1491272.

It is an arithmetic number, because the mean of its divisors is an integer number (3247701912).

Almost surely, 247213097813 is an apocalyptic number.

It is an amenable number.

47213097813 is a deficient number, since it is larger than the sum of its proper divisors (30731748075).

47213097813 is a wasteful number, since it uses less digits than its factorization.

47213097813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55433 (or 55430 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 47213097813 in words is "forty-seven billion, two hundred thirteen million, ninety-seven thousand, eight hundred thirteen".

Divisors: 1 3 7 9 21 63 23417 32003 70251 96009 163919 210753 224021 288027 491757 672063 1475271 2016189 749414251 2248242753 5245899757 6744728259 15737699271 47213097813