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47894849875 = 53990138699
BaseRepresentation
bin101100100110110000…
…010110100101010011
311120121212121110112201
4230212300112211103
51241042040144000
634000320504031
73313610335555
oct544660264523
9146555543481
1047894849875
1119348437664
129347a7b017
13469389a972
142464d034d5
1513a4b6196a
hexb26c16953

47894849875 has 16 divisors (see below), whose sum is σ = 59780354400. Its totient is φ = 38311020000.

The previous prime is 47894849857. The next prime is 47894849879. The reversal of 47894849875 is 57894849874.

It is not a de Polignac number, because 47894849875 - 29 = 47894849363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47894849798 and 47894849807.

It is not an unprimeable number, because it can be changed into a prime (47894849879) 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 in 15 ways as a sum of consecutive naturals, for example, 1218276 + ... + 1256974.

It is an arithmetic number, because the mean of its divisors is an integer number (3736272150).

Almost surely, 247894849875 is an apocalyptic number.

47894849875 is a deficient number, since it is larger than the sum of its proper divisors (11885504525).

47894849875 is an equidigital number, since it uses as much as digits as its factorization.

47894849875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48615 (or 48605 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 73.

Subtracting 47894849875 from its reverse (57894849874), we obtain a palindrome (9999999999).

The spelling of 47894849875 in words is "forty-seven billion, eight hundred ninety-four million, eight hundred forty-nine thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 9901 38699 49505 193495 247525 967475 1237625 4837375 383158799 1915793995 9578969975 47894849875