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2140030045 = 5428006009
BaseRepresentation
bin111111110001110…
…0100010001011101
312112010211210100001
41333203210101131
513340321430140
6552204134301
7104013645436
oct17743442135
95463753301
102140030045
119a8a9a27a
124b8837391
1328149528a
1416430a48d
15c7d22e9a
hex7f8e445d

2140030045 has 4 divisors (see below), whose sum is σ = 2568036060. Its totient is φ = 1712024032.

The previous prime is 2140030033. The next prime is 2140030051. The reversal of 2140030045 is 5400300412.

2140030045 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 736253956 + 1403776089 = 27134^2 + 37467^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140030045 - 221 = 2137932893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214003000 + ... + 214003009.

It is an arithmetic number, because the mean of its divisors is an integer number (642009015).

Almost surely, 22140030045 is an apocalyptic number.

It is an amenable number.

2140030045 is a deficient number, since it is larger than the sum of its proper divisors (428006015).

2140030045 is an equidigital number, since it uses as much as digits as its factorization.

2140030045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428006014.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2140030045 is about 46260.4587633975. The cubic root of 2140030045 is about 1288.6647733164.

Adding to 2140030045 its reverse (5400300412), we get a palindrome (7540330457).

The spelling of 2140030045 in words is "two billion, one hundred forty million, thirty thousand, forty-five".

Divisors: 1 5 428006009 2140030045