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2045746499 = 2156394873
BaseRepresentation
bin111100111101111…
…1001110101000011
312021120102200121212
41321323321311003
513142202341444
6534555240335
7101460362336
oct17173716503
95246380555
102045746499
1195a852695
124911490ab
13267aa36b4
141559a661d
15be8ec19e
hex79ef9d43

2045746499 has 4 divisors (see below), whose sum is σ = 2045862936. Its totient is φ = 2045630064.

The previous prime is 2045746489. The next prime is 2045746519. The reversal of 2045746499 is 9946475402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2045746499 - 212 = 2045742403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045746489) 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, 25874 + ... + 68999.

It is an arithmetic number, because the mean of its divisors is an integer number (511465734).

Almost surely, 22045746499 is an apocalyptic number.

2045746499 is a deficient number, since it is larger than the sum of its proper divisors (116437).

2045746499 is an equidigital number, since it uses as much as digits as its factorization.

2045746499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116436.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 2045746499 is about 45229.9292393875. The cubic root of 2045746499 is about 1269.4548880964.

The spelling of 2045746499 in words is "two billion, forty-five million, seven hundred forty-six thousand, four hundred ninety-nine".

Divisors: 1 21563 94873 2045746499