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2660505422 = 21330252711
BaseRepresentation
bin1001111010010100…
…0001011101001110
320212102012200022212
42132211001131032
520422042133142
61115555510422
7122633631401
oct23645013516
96772180285
102660505422
111145871113
12622bb8412
13335268c83
141b34b1d38
15108882d82
hex9e94174e

2660505422 has 4 divisors (see below), whose sum is σ = 3990758136. Its totient is φ = 1330252710.

The previous prime is 2660505413. The next prime is 2660505433. The reversal of 2660505422 is 2245050662.

2660505422 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 an emirpimes, since its reverse is a distinct semiprime: 2245050662 = 21122525331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665126354 + ... + 665126357.

It is an arithmetic number, because the mean of its divisors is an integer number (997689534).

Almost surely, 22660505422 is an apocalyptic number.

2660505422 is a deficient number, since it is larger than the sum of its proper divisors (1330252714).

2660505422 is a wasteful number, since it uses less digits than its factorization.

2660505422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330252713.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2660505422 is about 51580.0874563043. The cubic root of 2660505422 is about 1385.6537330104.

The spelling of 2660505422 in words is "two billion, six hundred sixty million, five hundred five thousand, four hundred twenty-two".

Divisors: 1 2 1330252711 2660505422