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47999963571 = 372285712551
BaseRepresentation
bin101100101101000001…
…010101000110110011
311120220012101210102120
4230231001111012303
51241300442313241
634014553445323
73316324646520
oct545501250663
9146805353376
1047999963571
11193a180108a
129377110843
1346ac5b1c11
142474c66147
1513adec6666
hexb2d0551b3

47999963571 has 8 divisors (see below), whose sum is σ = 73142801664. Its totient is φ = 27428550600.

The previous prime is 47999963527. The next prime is 47999963591. The reversal of 47999963571 is 17536999974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47999963571 - 230 = 46926221747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47999963496 and 47999963505.

It is not an unprimeable number, because it can be changed into a prime (47999963591) 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 7 ways as a sum of consecutive naturals, for example, 1142856255 + ... + 1142856296.

It is an arithmetic number, because the mean of its divisors is an integer number (9142850208).

Almost surely, 247999963571 is an apocalyptic number.

47999963571 is a deficient number, since it is larger than the sum of its proper divisors (25142838093).

47999963571 is a wasteful number, since it uses less digits than its factorization.

47999963571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285712561.

The product of its digits is 115736040, while the sum is 69.

The spelling of 47999963571 in words is "forty-seven billion, nine hundred ninety-nine million, nine hundred sixty-three thousand, five hundred seventy-one".

Divisors: 1 3 7 21 2285712551 6857137653 15999987857 47999963571