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2051847093 = 3683949031
BaseRepresentation
bin111101001001100…
…1011001110110101
312021222220122001210
41322103023032311
513200233101333
6535334112033
7101563261332
oct17223131665
95258818053
102051847093
1196323a0aa
124931ab619
1326912b40a
14156713989
15c0204a63
hex7a4cb3b5

2051847093 has 4 divisors (see below), whose sum is σ = 2735796128. Its totient is φ = 1367898060.

The previous prime is 2051847073. The next prime is 2051847101. The reversal of 2051847093 is 3907481502.

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 not a de Polignac number, because 2051847093 - 229 = 1514976181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051847053) 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, 341974513 + ... + 341974518.

It is an arithmetic number, because the mean of its divisors is an integer number (683949032).

Almost surely, 22051847093 is an apocalyptic number.

It is an amenable number.

2051847093 is a deficient number, since it is larger than the sum of its proper divisors (683949035).

2051847093 is an equidigital number, since it uses as much as digits as its factorization.

2051847093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683949034.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2051847093 is about 45297.3188279395. The cubic root of 2051847093 is about 1270.7155107947.

The spelling of 2051847093 in words is "two billion, fifty-one million, eight hundred forty-seven thousand, ninety-three".

Divisors: 1 3 683949031 2051847093