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47450509142 = 2197011781309
BaseRepresentation
bin101100001100010001…
…010100111101010110
311112110220111121122112
4230030101110331112
51234134312243032
633444245031022
73266603446541
oct541421247526
9145426447575
1047450509142
111913a636913
1292430b5472
134622802b5a
142421cb9858
15137ab401b2
hexb0c454f56

47450509142 has 16 divisors (see below), whose sum is σ = 75028777200. Its totient is φ = 22444480800.

The previous prime is 47450509111. The next prime is 47450509177. The reversal of 47450509142 is 24190505474.

It is a self number, because there is not a number n which added to its sum of digits gives 47450509142.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 864017 + ... + 917292.

It is an arithmetic number, because the mean of its divisors is an integer number (4689298575).

Almost surely, 247450509142 is an apocalyptic number.

47450509142 is a deficient number, since it is larger than the sum of its proper divisors (27578268058).

47450509142 is a wasteful number, since it uses less digits than its factorization.

47450509142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782031.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 47450509142 in words is "forty-seven billion, four hundred fifty million, five hundred nine thousand, one hundred forty-two".

Divisors: 1 2 19 38 701 1402 13319 26638 1781309 3562618 33844871 67689742 1248697609 2497395218 23725254571 47450509142