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20875957699703 = 31673417990313
BaseRepresentation
bin1001011111100100100000…
…00010110000010001110111
32201220201111101102012002112
410233302100002300101313
510214012430132342303
6112222141011401235
74253144456433311
oct457622002602167
981821441365075
1020875957699703
116719497982867
122411a97bb321b
13b85795a82c42
1452258a5567b1
152630718180d8
hex12fc900b0477

20875957699703 has 4 divisors (see below), whose sum is σ = 21549375690048. Its totient is φ = 20202539709360.

The previous prime is 20875957699697. The next prime is 20875957699711. The reversal of 20875957699703 is 30799675957802.

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

It is a cyclic number.

It is not a de Polignac number, because 20875957699703 - 28 = 20875957699447 is a prime.

It is a super-2 number, since 2×208759576997032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20875957699603) 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, 336708995126 + ... + 336708995187.

It is an arithmetic number, because the mean of its divisors is an integer number (5387343922512).

Almost surely, 220875957699703 is an apocalyptic number.

20875957699703 is a deficient number, since it is larger than the sum of its proper divisors (673417990345).

20875957699703 is an equidigital number, since it uses as much as digits as its factorization.

20875957699703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673417990344.

The product of its (nonzero) digits is 1800338400, while the sum is 77.

The spelling of 20875957699703 in words is "twenty trillion, eight hundred seventy-five billion, nine hundred fifty-seven million, six hundred ninety-nine thousand, seven hundred three".

Divisors: 1 31 673417990313 20875957699703