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53065229765 = 518158635613
BaseRepresentation
bin110001011010111011…
…110010010111000101
312001222012120222101012
4301122323302113011
51332134144323030
640213340012005
73556002003452
oct613273622705
9161865528335
1053065229765
1120560a36599
12a34b531005
135008b12752
1427d5876829
1515a8a21095
hexc5aef25c5

53065229765 has 8 divisors (see below), whose sum is σ = 64030090488. Its totient is φ = 42217640640.

The previous prime is 53065229753. The next prime is 53065229807. The reversal of 53065229765 is 56792256035.

It can be written as a sum of positive squares in 4 ways, for example, as 7420616449 + 45644613316 = 86143^2 + 213646^2 .

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

It is not a de Polignac number, because 53065229765 - 232 = 48770262469 is a prime.

It is a super-2 number, since 2×530652297652 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29316902 + ... + 29318711.

It is an arithmetic number, because the mean of its divisors is an integer number (8003761311).

Almost surely, 253065229765 is an apocalyptic number.

It is an amenable number.

53065229765 is a deficient number, since it is larger than the sum of its proper divisors (10964860723).

53065229765 is a wasteful number, since it uses less digits than its factorization.

53065229765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58635799.

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 53065229765 in words is "fifty-three billion, sixty-five million, two hundred twenty-nine thousand, seven hundred sixty-five".

Divisors: 1 5 181 905 58635613 293178065 10613045953 53065229765