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52738656977 = 1061252119717
BaseRepresentation
bin110001000111011110…
…000000101011010001
312001010110002100201202
4301013132000223101
51331002044010402
640121112240545
73544625121266
oct610736005321
9161113070652
1052738656977
1120403662626
12a27a0a0155
134c8626c906
1427a434726d
15158a013b02
hexc47780ad1

52738656977 has 8 divisors (see below), whose sum is σ = 52811981352. Its totient is φ = 52665379200.

The previous prime is 52738656961. The next prime is 52738656989. The reversal of 52738656977 is 77965683725.

It can be written as a sum of positive squares in 4 ways, for example, as 1540091536 + 51198565441 = 39244^2 + 226271^2 .

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 52738656977 - 24 = 52738656961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52738650977) 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, 2664923 + ... + 2684639.

It is an arithmetic number, because the mean of its divisors is an integer number (6601497669).

Almost surely, 252738656977 is an apocalyptic number.

It is an amenable number.

52738656977 is a deficient number, since it is larger than the sum of its proper divisors (73324375).

52738656977 is a wasteful number, since it uses less digits than its factorization.

52738656977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23299.

The product of its digits is 133358400, while the sum is 65.

The spelling of 52738656977 in words is "fifty-two billion, seven hundred thirty-eight million, six hundred fifty-six thousand, nine hundred seventy-seven".

Divisors: 1 1061 2521 19717 2674781 20919737 49706557 52738656977