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20374940873 = 711532524463
BaseRepresentation
bin10010111110011100…
…001110110011001001
31221120222001020102202
4102332130032303021
5313211441101443
613205441405545
71320624065660
oct227634166311
957528036382
1020374940873
118706139711
123b476398b5
131bc9284141
14db4005dd7
157e3b2e7b8
hex4be70ecc9

20374940873 has 8 divisors (see below), whose sum is σ = 23305851648. Its totient is φ = 17449081344.

The previous prime is 20374940863. The next prime is 20374940899. The reversal of 20374940873 is 37804947302.

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 20374940873 - 214 = 20374924489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20374940863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254161 + ... + 1270302.

It is an arithmetic number, because the mean of its divisors is an integer number (2913231456).

Almost surely, 220374940873 is an apocalyptic number.

It is an amenable number.

20374940873 is a deficient number, since it is larger than the sum of its proper divisors (2930910775).

20374940873 is a wasteful number, since it uses less digits than its factorization.

20374940873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525623.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 20374940873 in words is "twenty billion, three hundred seventy-four million, nine hundred forty thousand, eight hundred seventy-three".

Divisors: 1 7 1153 8071 2524463 17671241 2910705839 20374940873