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53264209993 = 4110911918597
BaseRepresentation
bin110001100110110010…
…110101100001001001
312002111002000012221021
4301212302311201021
51333041114204433
640245204512441
73563636212651
oct614662654111
9162432005837
1053264209993
1120653292365
12a3a60ab721
13503b100827
142814071361
1515bb22822d
hexc66cb5849

53264209993 has 8 divisors (see below), whose sum is σ = 55063922760. Its totient is φ = 51488334720.

The previous prime is 53264209969. The next prime is 53264210023. The reversal of 53264209993 is 39990246235.

It can be written as a sum of positive squares in 4 ways, for example, as 14269019209 + 38995190784 = 119453^2 + 197472^2 .

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 53264209993 - 213 = 53264201801 is a prime.

It is a super-4 number, since 4×532642099934 (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53264209993.

It is not an unprimeable number, because it can be changed into a prime (53264209913) 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 7 ways as a sum of consecutive naturals, for example, 5954830 + ... + 5963767.

It is an arithmetic number, because the mean of its divisors is an integer number (6882990345).

Almost surely, 253264209993 is an apocalyptic number.

It is an amenable number.

53264209993 is a deficient number, since it is larger than the sum of its proper divisors (1799712767).

53264209993 is a wasteful number, since it uses less digits than its factorization.

53264209993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918747.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 53264209993 in words is "fifty-three billion, two hundred sixty-four million, two hundred nine thousand, nine hundred ninety-three".

Divisors: 1 41 109 4469 11918597 488662477 1299127073 53264209993