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47213996573 = 821308918617
BaseRepresentation
bin101011111110001011…
…000110101000011101
311111212102110112101202
4223332023012220131
51233143240342243
633404555445245
73261002230532
oct537613065035
9144772415352
1047213996573
1119029085487
129197a56825
1345b58034a3
1423dc710d89
151364ec24b8
hexafe2c6a1d

47213996573 has 8 divisors (see below), whose sum is σ = 47289347640. Its totient is φ = 47138690560.

The previous prime is 47213996551. The next prime is 47213996579. The reversal of 47213996573 is 37569931274.

It can be written as a sum of positive squares in 4 ways, for example, as 25952565604 + 21261430969 = 161098^2 + 145813^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47213996573 is a prime.

It is a super-2 number, since 2×472139965732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47213996579) 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, 2526761 + ... + 2545377.

It is an arithmetic number, because the mean of its divisors is an integer number (5911168455).

Almost surely, 247213996573 is an apocalyptic number.

It is an amenable number.

47213996573 is a deficient number, since it is larger than the sum of its proper divisors (75351067).

47213996573 is a wasteful number, since it uses less digits than its factorization.

47213996573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527.

The product of its digits is 8573040, while the sum is 56.

The spelling of 47213996573 in words is "forty-seven billion, two hundred thirteen million, nine hundred ninety-six thousand, five hundred seventy-three".

Divisors: 1 821 3089 18617 2536069 15284557 57507913 47213996573