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53336618387 = 1331132348929
BaseRepresentation
bin110001101011000111…
…000011010110010011
312002200010020221120122
4301223013003112103
51333213133242022
640300312500455
73565505530103
oct615307032623
9162603227518
1053336618387
1120690148908
12a4063aa72b
135050103630
14281d91d203
1515c277c742
hexc6b1c3593

53336618387 has 8 divisors (see below), whose sum is σ = 59292320640. Its totient is φ = 47645614080.

The previous prime is 53336618299. The next prime is 53336618437. The reversal of 53336618387 is 78381663335.

53336618387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53336618387 - 214 = 53336602003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53336618087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66174062 + ... + 66174867.

It is an arithmetic number, because the mean of its divisors is an integer number (7411540080).

Almost surely, 253336618387 is an apocalyptic number.

53336618387 is a deficient number, since it is larger than the sum of its proper divisors (5955702253).

53336618387 is a wasteful number, since it uses less digits than its factorization.

53336618387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132348973.

The product of its digits is 6531840, while the sum is 53.

The spelling of 53336618387 in words is "fifty-three billion, three hundred thirty-six million, six hundred eighteen thousand, three hundred eighty-seven".

Divisors: 1 13 31 403 132348929 1720536077 4102816799 53336618387