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52107031255 = 510421406251
BaseRepresentation
bin110000100001110100…
…100011001011010111
311222111102120110010111
4300201310203023113
51323203400000010
635534310303451
73523155313006
oct604164431327
9158442513114
1052107031255
112010a0738a4
12a122657b87
134bb5450096
1427444cac3d
15154e84a58a
hexc21d232d7

52107031255 has 4 divisors (see below), whose sum is σ = 62528437512. Its totient is φ = 41685625000.

The previous prime is 52107031253. The next prime is 52107031297. The reversal of 52107031255 is 55213070125.

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

It is not a de Polignac number, because 52107031255 - 21 = 52107031253 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52107031253) 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 3 ways as a sum of consecutive naturals, for example, 5210703121 + ... + 5210703130.

It is an arithmetic number, because the mean of its divisors is an integer number (15632109378).

Almost surely, 252107031255 is an apocalyptic number.

52107031255 is a deficient number, since it is larger than the sum of its proper divisors (10421406257).

52107031255 is a wasteful number, since it uses less digits than its factorization.

52107031255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421406256.

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 52107031255 in words is "fifty-two billion, one hundred seven million, thirty-one thousand, two hundred fifty-five".

Divisors: 1 5 10421406251 52107031255