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2664872395 = 5750770997
BaseRepresentation
bin1001111011010110…
…1011100111001011
320212201102112200121
42132311223213023
520424201404040
61120233244111
7123016020163
oct23665534713
96781375617
102664872395
111148284089
12624563637
13336137893
141b3ccb5a3
15108e46c4a
hex9ed6b9cb

2664872395 has 8 divisors (see below), whose sum is σ = 3198317904. Its totient is φ = 2131583904.

The previous prime is 2664872393. The next prime is 2664872429. The reversal of 2664872395 is 5932784662.

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 2664872395 - 21 = 2664872393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664872393) 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, 2037 + ... + 73033.

It is an arithmetic number, because the mean of its divisors is an integer number (399789738).

Almost surely, 22664872395 is an apocalyptic number.

2664872395 is a deficient number, since it is larger than the sum of its proper divisors (533445509).

2664872395 is an equidigital number, since it uses as much as digits as its factorization.

2664872395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78509.

The product of its digits is 4354560, while the sum is 52.

The square root of 2664872395 is about 51622.4020653824. The cubic root of 2664872395 is about 1386.4114592961.

The spelling of 2664872395 in words is "two billion, six hundred sixty-four million, eight hundred seventy-two thousand, three hundred ninety-five".

Divisors: 1 5 7507 37535 70997 354985 532974479 2664872395