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47950042831 is a prime number
BaseRepresentation
bin101100101010000010…
…111001011011001111
311120202201110120001021
4230222002321123033
51241200202332311
634010011455011
73315150432145
oct545202713317
9146681416037
1047950042831
1119376604979
129362457467
1346a2153912
14246c38d595
1513a9915171
hexb2a0b96cf

47950042831 has 2 divisors, whose sum is σ = 47950042832. Its totient is φ = 47950042830.

The previous prime is 47950042813. The next prime is 47950042841. The reversal of 47950042831 is 13824005974.

Together with previous prime (47950042813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47950042831 - 217 = 47949911759 is a prime.

It is a super-2 number, since 2×479500428312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47950042841) 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 as a sum of consecutive naturals, namely, 23975021415 + 23975021416.

It is an arithmetic number, because the mean of its divisors is an integer number (23975021416).

Almost surely, 247950042831 is an apocalyptic number.

47950042831 is a deficient number, since it is larger than the sum of its proper divisors (1).

47950042831 is an equidigital number, since it uses as much as digits as its factorization.

47950042831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 47950042831 in words is "forty-seven billion, nine hundred fifty million, forty-two thousand, eight hundred thirty-one".