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2664006541 = 7380572363
BaseRepresentation
bin1001111011001001…
…1000001110001101
320212122210112221221
42132302120032031
520423441202131
61120202523341
7123005452630
oct23662301615
96778715857
102664006541
1111478425a9
12624206551
13335bc3741
141b3b43c17
15108d25411
hex9ec9838d

2664006541 has 4 divisors (see below), whose sum is σ = 3044578912. Its totient is φ = 2283434172.

The previous prime is 2664006503. The next prime is 2664006547. The reversal of 2664006541 is 1456004662.

2664006541 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, 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 2664006541 - 213 = 2663998349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2664006497 and 2664006506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664006547) 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, 190286175 + ... + 190286188.

It is an arithmetic number, because the mean of its divisors is an integer number (761144728).

Almost surely, 22664006541 is an apocalyptic number.

It is an amenable number.

2664006541 is a deficient number, since it is larger than the sum of its proper divisors (380572371).

2664006541 is an equidigital number, since it uses as much as digits as its factorization.

2664006541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380572370.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2664006541 is about 51614.0149668673. The cubic root of 2664006541 is about 1386.2612882604.

The spelling of 2664006541 in words is "two billion, six hundred sixty-four million, six thousand, five hundred forty-one".

Divisors: 1 7 380572363 2664006541