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197005043293 = 331959356747
BaseRepresentation
bin1011011101111001101…
…0100110011001011101
3200211111121202010020221
42313132122212121131
511211431242341133
6230300341441341
720142653144542
oct2673632463135
9624447663227
10197005043293
1176605235973
1232220710251
13157679b2346
14976c42cbc9
1551d0579a2d
hex2dde6a665d

197005043293 has 4 divisors (see below), whose sum is σ = 197064403360. Its totient is φ = 196945683228.

The previous prime is 197005043267. The next prime is 197005043297. The reversal of 197005043293 is 392340500791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 392340500791 = 3258911203901.

It is a cyclic number.

It is not a de Polignac number, because 197005043293 - 233 = 188415108701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197005043297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29675055 + ... + 29681692.

It is an arithmetic number, because the mean of its divisors is an integer number (49266100840).

Almost surely, 2197005043293 is an apocalyptic number.

It is an amenable number.

197005043293 is a deficient number, since it is larger than the sum of its proper divisors (59360067).

197005043293 is an equidigital number, since it uses as much as digits as its factorization.

197005043293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59360066.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 197005043293 in words is "one hundred ninety-seven billion, five million, forty-three thousand, two hundred ninety-three".

Divisors: 1 3319 59356747 197005043293