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52443948897 = 3231187971143
BaseRepresentation
bin110000110101111001…
…110010011101100001
312000100220112122020200
4300311321302131201
51324401122331042
640031543455413
73534416132124
oct606571623541
9160326478220
1052443948897
112027227302a
12a1b7457569
134c3a1a5732
1427771503bb
15156e1ecc4c
hexc35e72761

52443948897 has 12 divisors (see below), whose sum is σ = 78195995904. Its totient is φ = 33834805560.

The previous prime is 52443948889. The next prime is 52443948901. The reversal of 52443948897 is 79884934425.

52443948897 is a `hidden beast` number, since 5 + 24 + 43 + 9 + 488 + 97 = 666.

It is not a de Polignac number, because 52443948897 - 23 = 52443948889 is a prime.

It is a super-2 number, since 2×524439488972 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52443948097) 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 11 ways as a sum of consecutive naturals, for example, 93985293 + ... + 93985850.

It is an arithmetic number, because the mean of its divisors is an integer number (6516332992).

Almost surely, 252443948897 is an apocalyptic number.

It is an amenable number.

52443948897 is a deficient number, since it is larger than the sum of its proper divisors (25752047007).

52443948897 is a wasteful number, since it uses less digits than its factorization.

52443948897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187971180 (or 187971177 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 52443948897 in words is "fifty-two billion, four hundred forty-three million, nine hundred forty-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 9 31 93 279 187971143 563913429 1691740287 5827105433 17481316299 52443948897