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76538886671983 = 107715316697869
BaseRepresentation
bin10001011001110010011001…
…001001101100111001101111
3101001000001020121111122111211
4101121302121021230321233
540013003114442000413
6430441251254055251
722056515651211241
oct2131623111547157
9331001217448454
1076538886671983
1122429a6118620a
1287018ba34a527
1333927806ca838
1414c8705238091
158cae4347d83d
hex459c9926ce6f

76538886671983 has 4 divisors (see below), whose sum is σ = 77254203369960. Its totient is φ = 75823569974008.

The previous prime is 76538886671957. The next prime is 76538886671987. The reversal of 76538886671983 is 38917668883567.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76538886671983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76538886671983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76538886671987) 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, 357658348828 + ... + 357658349041.

It is an arithmetic number, because the mean of its divisors is an integer number (19313550842490).

Almost surely, 276538886671983 is an apocalyptic number.

76538886671983 is a deficient number, since it is larger than the sum of its proper divisors (715316697977).

76538886671983 is a wasteful number, since it uses less digits than its factorization.

76538886671983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715316697976.

The product of its digits is 17557585920, while the sum is 85.

The spelling of 76538886671983 in words is "seventy-six trillion, five hundred thirty-eight billion, eight hundred eighty-six million, six hundred seventy-one thousand, nine hundred eighty-three".

Divisors: 1 107 715316697869 76538886671983