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52454421203 = 67782901809
BaseRepresentation
bin110000110110100001…
…101111001011010011
312000101122020200112212
4300312201233023103
51324411312434303
640033000142335
73534604136462
oct606641571323
9160348220485
1052454421203
1120278176028
12a1baa679ab
134c3c401272
1427786b89d9
1515700baad8
hexc3686f2d3

52454421203 has 4 divisors (see below), whose sum is σ = 53237323080. Its totient is φ = 51671519328.

The previous prime is 52454421197. The next prime is 52454421211. The reversal of 52454421203 is 30212445425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52454421203 is a prime.

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 52454421203.

It is not an unprimeable number, because it can be changed into a prime (52454421403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391450838 + ... + 391450971.

It is an arithmetic number, because the mean of its divisors is an integer number (13309330770).

Almost surely, 252454421203 is an apocalyptic number.

52454421203 is a deficient number, since it is larger than the sum of its proper divisors (782901877).

52454421203 is an equidigital number, since it uses as much as digits as its factorization.

52454421203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782901876.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 52454421203 its reverse (30212445425), we get a palindrome (82666866628).

The spelling of 52454421203 in words is "fifty-two billion, four hundred fifty-four million, four hundred twenty-one thousand, two hundred three".

Divisors: 1 67 782901809 52454421203