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54786936013 = 431687175521
BaseRepresentation
bin110011000001100011…
…100100110011001101
312020102012021201100021
4303001203210303031
51344200423423023
641100242102141
73646446162265
oct630143446315
9166365251307
1054786936013
1121264884a17
12a75004a951
13522171bc44
14291a3ac7a5
151659c6135d
hexcc18e4ccd

54786936013 has 8 divisors (see below), whose sum is σ = 56065116096. Its totient is φ = 53508940800.

The previous prime is 54786935947. The next prime is 54786936047. The reversal of 54786936013 is 31063968745.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54786936013 - 213 = 54786927821 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 (54786936313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687693 + ... + 763213.

It is an arithmetic number, because the mean of its divisors is an integer number (7008139512).

Almost surely, 254786936013 is an apocalyptic number.

It is an amenable number.

54786936013 is a deficient number, since it is larger than the sum of its proper divisors (1278180083).

54786936013 is a wasteful number, since it uses less digits than its factorization.

54786936013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92435.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 54786936013 in words is "fifty-four billion, seven hundred eighty-six million, nine hundred thirty-six thousand, thirteen".

Divisors: 1 43 16871 75521 725453 3247403 1274114791 54786936013