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57833893993 = 83557692149
BaseRepresentation
bin110101110111001010…
…110011000001101001
312112021112200012220211
4311313022303001221
51421420434101433
642322445021121
74115114662561
oct656712630151
9175245605824
1057833893993
11225887a8607
12b2605547a1
1355b8a65065
142b28d19da1
1517874cd8cd
hexd772b3069

57833893993 has 4 divisors (see below), whose sum is σ = 57834669700. Its totient is φ = 57833118288.

The previous prime is 57833893981. The next prime is 57833894009. The reversal of 57833893993 is 39939833875.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57373662784 + 460231209 = 239528^2 + 21453^2 .

It is a cyclic number.

It is not a de Polignac number, because 57833893993 - 25 = 57833893961 is a prime.

It is a super-2 number, since 2×578338939932 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57833693993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262518 + ... + 429631.

It is an arithmetic number, because the mean of its divisors is an integer number (14458667425).

Almost surely, 257833893993 is an apocalyptic number.

It is an amenable number.

57833893993 is a deficient number, since it is larger than the sum of its proper divisors (775707).

57833893993 is an equidigital number, since it uses as much as digits as its factorization.

57833893993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775706.

The product of its digits is 132269760, while the sum is 67.

The spelling of 57833893993 in words is "fifty-seven billion, eight hundred thirty-three million, eight hundred ninety-three thousand, nine hundred ninety-three".

Divisors: 1 83557 692149 57833893993