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47455642221043 = 722760193508753
BaseRepresentation
bin10101100101001001000001…
…01100100111100111110011
320020000201022022010001112011
422302210200230213213303
522210003123402033133
6244532453203543351
712665362024222600
oct1262444054474763
9206021268101464
1047455642221043
111413690895aa61
1253a527a68ab57
1320630811bc074
14ba0c186bd6a7
1557466bbbd6cd
hex2b2920b279f3

47455642221043 has 12 divisors (see below), whose sum is σ = 55203717907560. Its totient is φ = 40676105800512.

The previous prime is 47455642221019. The next prime is 47455642221067. The reversal of 47455642221043 is 34012224655474.

47455642221043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47455642221019) and next prime (47455642221067).

It is not a de Polignac number, because 47455642221043 - 25 = 47455642221011 is a prime.

It is a super-2 number, since 2×474556422210432 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47455642221343) 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 11 ways as a sum of consecutive naturals, for example, 11770555 + ... + 15279307.

It is an arithmetic number, because the mean of its divisors is an integer number (4600309825630).

Almost surely, 247455642221043 is an apocalyptic number.

47455642221043 is a deficient number, since it is larger than the sum of its proper divisors (7748075686517).

47455642221043 is a wasteful number, since it uses less digits than its factorization.

47455642221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784786 (or 3784779 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 49.

The spelling of 47455642221043 in words is "forty-seven trillion, four hundred fifty-five billion, six hundred forty-two million, two hundred twenty-one thousand, forty-three".

Divisors: 1 7 49 276019 1932133 3508753 13524931 24561271 171928897 968482494307 6779377460149 47455642221043