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47554681651189 is a prime number
BaseRepresentation
bin10101101000000001011111…
…11010000011111111110101
320020101011221112021101122121
422310000233322003333311
522213113442000314224
6245050152534355541
713005466225413106
oct1264005772037765
9206334845241577
1047554681651189
1114174911053779
1254004ba7bbbb1
13206c5059b897b
14ba5931d383ad
15577016914be4
hex2b402fe83ff5

47554681651189 has 2 divisors, whose sum is σ = 47554681651190. Its totient is φ = 47554681651188.

The previous prime is 47554681651153. The next prime is 47554681651193. The reversal of 47554681651189 is 98115618645574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40936323422500 + 6618358228689 = 6398150^2 + 2572617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47554681651189 is a prime.

It is a super-2 number, since 2×475546816511892 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47554681658189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23777340825594 + 23777340825595.

It is an arithmetic number, because the mean of its divisors is an integer number (23777340825595).

Almost surely, 247554681651189 is an apocalyptic number.

It is an amenable number.

47554681651189 is a deficient number, since it is larger than the sum of its proper divisors (1).

47554681651189 is an equidigital number, since it uses as much as digits as its factorization.

47554681651189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304000, while the sum is 70.

The spelling of 47554681651189 in words is "forty-seven trillion, five hundred fifty-four billion, six hundred eighty-one million, six hundred fifty-one thousand, one hundred eighty-nine".