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52107747645 = 3512527277309
BaseRepresentation
bin110000100001110111…
…010010000100111101
311222111110220211211110
4300201313102010331
51323204040411040
635534333512233
73523164355422
oct604167220475
9158443824743
1052107747645
112010a513058
12a122942679
134bb5641195
142744635d49
15154e93c980
hexc21dd213d

52107747645 has 16 divisors (see below), whose sum is σ = 83379352320. Its totient is φ = 27788480064.

The previous prime is 52107747641. The next prime is 52107747661. The reversal of 52107747645 is 54674770125.

It is not a de Polignac number, because 52107747645 - 22 = 52107747641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52107747594 and 52107747603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52107747641) 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 15 ways as a sum of consecutive naturals, for example, 49251 + ... + 326559.

It is an arithmetic number, because the mean of its divisors is an integer number (5211209520).

Almost surely, 252107747645 is an apocalyptic number.

It is an amenable number.

52107747645 is a deficient number, since it is larger than the sum of its proper divisors (31271604675).

52107747645 is a wasteful number, since it uses less digits than its factorization.

52107747645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289844.

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 52107747645 in words is "fifty-two billion, one hundred seven million, seven hundred forty-seven thousand, six hundred forty-five".

Divisors: 1 3 5 15 12527 37581 62635 187905 277309 831927 1386545 4159635 3473849843 10421549529 17369249215 52107747645