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53192581969 = 1932213124541
BaseRepresentation
bin110001100010100001…
…100110001101010001
312002022002020010202111
4301202201212031101
51332414300110334
640234125345321
73562106325622
oct614241461521
9162262203674
1053192581969
112061690a14a
12a386108241
135029311c97
142808747a49
1515b4cca064
hexc62866351

53192581969 has 8 divisors (see below), whose sum is σ = 53492781672. Its totient is φ = 52892636160.

The previous prime is 53192581957. The next prime is 53192581979. The reversal of 53192581969 is 96918529135.

It can be written as a sum of positive squares in 4 ways, for example, as 2831836225 + 50360745744 = 53215^2 + 224412^2 .

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 53192581969 - 29 = 53192581457 is a prime.

It is a super-2 number, since 2×531925819692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53192581979) 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, 364839 + ... + 489379.

It is an arithmetic number, because the mean of its divisors is an integer number (6686597709).

Almost surely, 253192581969 is an apocalyptic number.

It is an amenable number.

53192581969 is a deficient number, since it is larger than the sum of its proper divisors (300199703).

53192581969 is a wasteful number, since it uses less digits than its factorization.

53192581969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126947.

The product of its digits is 5248800, while the sum is 58.

The spelling of 53192581969 in words is "fifty-three billion, one hundred ninety-two million, five hundred eighty-one thousand, nine hundred sixty-nine".

Divisors: 1 193 2213 124541 427109 24036413 275609233 53192581969