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140550205813 = 192317308523
BaseRepresentation
bin1000001011100101110…
…0011111000101110101
3111102210012000020020021
42002321130133011311
54300321323041223
6144322354405141
713103652015613
oct2027134370565
9442705006207
10140550205813
1154674a21996
12232a5b907b1
131033b875074
146b347326b3
1539c91a565d
hex20b971f175

140550205813 has 4 divisors (see below), whose sum is σ = 140557533568. Its totient is φ = 140542878060.

The previous prime is 140550205801. The next prime is 140550205819. The reversal of 140550205813 is 318502055041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 318502055041 = 1132818602257.

It is a cyclic number.

It is not a de Polignac number, because 140550205813 - 237 = 3111252341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140550205819) 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, 3635031 + ... + 3673492.

It is an arithmetic number, because the mean of its divisors is an integer number (35139383392).

Almost surely, 2140550205813 is an apocalyptic number.

It is an amenable number.

140550205813 is a deficient number, since it is larger than the sum of its proper divisors (7327755).

140550205813 is an equidigital number, since it uses as much as digits as its factorization.

140550205813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327754.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 140550205813 in words is "one hundred forty billion, five hundred fifty million, two hundred five thousand, eight hundred thirteen".

Divisors: 1 19231 7308523 140550205813