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212247247704241 = 715129680778591
BaseRepresentation
bin110000010000100110101001…
…110011011101000010110001
31000211111122020121212220111011
4300100212221303131002301
5210304424330403013431
62031225012311550521
762464233442205101
oct6020465163350261
91024448217786434
10212247247704241
11616a0609066902
121b97ab3198b441
139157aa2773879
143a5ab7068b201
151981088363cb1
hexc109a9cdd0b1

212247247704241 has 4 divisors (see below), whose sum is σ = 212276928489984. Its totient is φ = 212217566918500.

The previous prime is 212247247704229. The next prime is 212247247704253. The reversal of 212247247704241 is 142407742742212.

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.

It is an interprime number because it is at equal distance from previous prime (212247247704229) and next prime (212247247704253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212247247704241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212247247704341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14840382145 + ... + 14840396446.

It is an arithmetic number, because the mean of its divisors is an integer number (53069232122496).

Almost surely, 2212247247704241 is an apocalyptic number.

It is an amenable number.

212247247704241 is a deficient number, since it is larger than the sum of its proper divisors (29680785743).

212247247704241 is an equidigital number, since it uses as much as digits as its factorization.

212247247704241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29680785742.

The product of its (nonzero) digits is 2809856, while the sum is 49.

The spelling of 212247247704241 in words is "two hundred twelve trillion, two hundred forty-seven billion, two hundred forty-seven million, seven hundred four thousand, two hundred forty-one".

Divisors: 1 7151 29680778591 212247247704241