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2642120701 = 11240192791
BaseRepresentation
bin1001110101111011…
…1000111111111101
320211010121122020021
42131132320333331
520402340330301
61114101452141
7122321440543
oct23536707775
96733548207
102642120701
111136454430
12618a11051
133314ccb3c
141b0c87d93
15106e508a1
hex9d7b8ffd

2642120701 has 4 divisors (see below), whose sum is σ = 2882313504. Its totient is φ = 2401927900.

The previous prime is 2642120683. The next prime is 2642120707. The reversal of 2642120701 is 1070212462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2642120701 - 29 = 2642120189 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 (2642120707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120096385 + ... + 120096406.

It is an arithmetic number, because the mean of its divisors is an integer number (720578376).

Almost surely, 22642120701 is an apocalyptic number.

It is an amenable number.

2642120701 is a deficient number, since it is larger than the sum of its proper divisors (240192803).

2642120701 is a wasteful number, since it uses less digits than its factorization.

2642120701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240192802.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2642120701 is about 51401.5632155288. The cubic root of 2642120701 is about 1382.4546212325.

The spelling of 2642120701 in words is "two billion, six hundred forty-two million, one hundred twenty thousand, seven hundred one".

Divisors: 1 11 240192791 2642120701