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20340750873 = 310167131191
BaseRepresentation
bin10010111100011001…
…110011101000011001
31221111120201012120110
4102330121303220121
5313124213011443
613202220514533
71320030346452
oct227431635031
957446635513
1020340750873
118698907213
123b380aba49
131bc2172c81
14dad666129
157e0b29233
hex4bc673a19

20340750873 has 8 divisors (see below), whose sum is σ = 27389526336. Its totient is φ = 13426238000.

The previous prime is 20340750847. The next prime is 20340750889. The reversal of 20340750873 is 37805704302.

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

It is a cyclic number.

It is not a de Polignac number, because 20340750873 - 25 = 20340750841 is a prime.

It is a super-2 number, since 2×203407508732 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20340750823) 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, 33565293 + ... + 33565898.

It is an arithmetic number, because the mean of its divisors is an integer number (3423690792).

Almost surely, 220340750873 is an apocalyptic number.

It is an amenable number.

20340750873 is a deficient number, since it is larger than the sum of its proper divisors (7048775463).

20340750873 is a wasteful number, since it uses less digits than its factorization.

20340750873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67131295.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 20340750873 in words is "twenty billion, three hundred forty million, seven hundred fifty thousand, eight hundred seventy-three".

Divisors: 1 3 101 303 67131191 201393573 6780250291 20340750873