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2642144651 = 7980941341
BaseRepresentation
bin1001110101111011…
…1110110110001011
320211010122212002022
42131132332312023
520402342112101
61114102155055
7122321600426
oct23536766613
96733585068
102642144651
111136470423
12618a22a8b
1333150aa03
141b0c929bd
15106e57a1b
hex9d7bed8b

2642144651 has 8 divisors (see below), whose sum is σ = 2678961600. Its totient is φ = 2605412160.

The previous prime is 2642144647. The next prime is 2642144653. The reversal of 2642144651 is 1564412462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2642144651 - 22 = 2642144647 is a prime.

It is a super-3 number, since 3×26421446513 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642144653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43241 + ... + 84581.

It is an arithmetic number, because the mean of its divisors is an integer number (334870200).

Almost surely, 22642144651 is an apocalyptic number.

2642144651 is a deficient number, since it is larger than the sum of its proper divisors (36816949).

2642144651 is an equidigital number, since it uses as much as digits as its factorization.

2642144651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42229.

The product of its digits is 46080, while the sum is 35.

The square root of 2642144651 is about 51401.7961845693. The cubic root of 2642144651 is about 1382.4587983932.

The spelling of 2642144651 in words is "two billion, six hundred forty-two million, one hundred forty-four thousand, six hundred fifty-one".

Divisors: 1 79 809 41341 63911 3265939 33444869 2642144651