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2642842507 = 6143325287
BaseRepresentation
bin1001110110000110…
…1001001110001011
320211011222022100211
42131201221032023
520403031430012
61114125141551
7122330535124
oct23541511613
96734868324
102642842507
1111368a7768
126190ba8b7
133316c3546
141b0dd504b
151070446a7
hex9d86938b

2642842507 has 4 divisors (see below), whose sum is σ = 2686167856. Its totient is φ = 2599517160.

The previous prime is 2642842463. The next prime is 2642842523. The reversal of 2642842507 is 7052482462.

2642842507 is digitally balanced in base 2, 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 is a cyclic number.

It is not a de Polignac number, because 2642842507 - 215 = 2642809739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642842507.

It is not an unprimeable number, because it can be changed into a prime (2642842207) 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, 21662583 + ... + 21662704.

It is an arithmetic number, because the mean of its divisors is an integer number (671541964).

Almost surely, 22642842507 is an apocalyptic number.

2642842507 is a deficient number, since it is larger than the sum of its proper divisors (43325349).

2642842507 is an equidigital number, since it uses as much as digits as its factorization.

2642842507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43325348.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 2642842507 is about 51408.5839816659. The cubic root of 2642842507 is about 1382.5805015761.

The spelling of 2642842507 in words is "two billion, six hundred forty-two million, eight hundred forty-two thousand, five hundred seven".

Divisors: 1 61 43325287 2642842507