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2020187448887 = 4149272864607
BaseRepresentation
bin11101011001011100100…
…011100010011000110111
321011010110100002111202012
4131121130203202120313
5231044320441331022
64144021124034435
7265645061663126
oct35313443423067
97133410074665
102020187448887
1170983616aa43
12287638832a1b
1311866ca204ba
146dac5a0babd
153783a423de2
hex1d65c8e2637

2020187448887 has 4 divisors (see below), whose sum is σ = 2069460313536. Its totient is φ = 1970914584240.

The previous prime is 2020187448871. The next prime is 2020187448893. The reversal of 2020187448887 is 7888447810202.

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 2020187448887 - 24 = 2020187448871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020187441887) 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, 24636432263 + ... + 24636432344.

It is an arithmetic number, because the mean of its divisors is an integer number (517365078384).

Almost surely, 22020187448887 is an apocalyptic number.

2020187448887 is a deficient number, since it is larger than the sum of its proper divisors (49272864649).

2020187448887 is an equidigital number, since it uses as much as digits as its factorization.

2020187448887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49272864648.

The product of its (nonzero) digits is 12845056, while the sum is 59.

The spelling of 2020187448887 in words is "two trillion, twenty billion, one hundred eighty-seven million, four hundred forty-eight thousand, eight hundred eighty-seven".

Divisors: 1 41 49272864607 2020187448887