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2041505887 = 5338518979
BaseRepresentation
bin111100110101110…
…1110100001011111
312021021110020121011
41321223232201133
513140111142022
6534324320051
7101406341131
oct17153564137
95237406534
102041505887
11958416653
1248b843027
13266c4a465
141551c1051
15be360977
hex79aee85f

2041505887 has 4 divisors (see below), whose sum is σ = 2080024920. Its totient is φ = 2002986856.

The previous prime is 2041505881. The next prime is 2041505933. The reversal of 2041505887 is 7885051402.

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 2041505887 - 27 = 2041505759 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 (2041505881) 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, 19259437 + ... + 19259542.

It is an arithmetic number, because the mean of its divisors is an integer number (520006230).

Almost surely, 22041505887 is an apocalyptic number.

2041505887 is a deficient number, since it is larger than the sum of its proper divisors (38519033).

2041505887 is an equidigital number, since it uses as much as digits as its factorization.

2041505887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38519032.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 2041505887 is about 45183.0265365214. The cubic root of 2041505887 is about 1268.5771335999.

The spelling of 2041505887 in words is "two billion, forty-one million, five hundred five thousand, eight hundred eighty-seven".

Divisors: 1 53 38518979 2041505887