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47122492453 is a prime number
BaseRepresentation
bin101011111000101110…
…000010110000100101
311111122001021122100021
4223320232002300211
51233001324224303
633351530315141
73255511401631
oct537056026045
9144561248307
1047122492453
1118a91467043
129171288ab1
13459c875a3a
1423d04d1dc1
15135be49ebd
hexaf8b82c25

47122492453 has 2 divisors, whose sum is σ = 47122492454. Its totient is φ = 47122492452.

The previous prime is 47122492451. The next prime is 47122492489. The reversal of 47122492453 is 35429422174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31924040929 + 15198451524 = 178673^2 + 123282^2 .

It is a cyclic number.

It is not a de Polignac number, because 47122492453 - 21 = 47122492451 is a prime.

Together with 47122492451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47122492451) 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 as a sum of consecutive naturals, namely, 23561246226 + 23561246227.

It is an arithmetic number, because the mean of its divisors is an integer number (23561246227).

Almost surely, 247122492453 is an apocalyptic number.

It is an amenable number.

47122492453 is a deficient number, since it is larger than the sum of its proper divisors (1).

47122492453 is an equidigital number, since it uses as much as digits as its factorization.

47122492453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The spelling of 47122492453 in words is "forty-seven billion, one hundred twenty-two million, four hundred ninety-two thousand, four hundred fifty-three".