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47042673521 = 418271387403
BaseRepresentation
bin101011110011111101…
…100011101101110001
311111102111002102100112
4223303331203231301
51232320411023041
633335555431105
73253522061444
oct536375435561
9144374072315
1047042673521
1118a503a9988
12914a5b5495
134589179bbc
1423c3a7565b
151354e2edeb
hexaf3f63b71

47042673521 has 8 divisors (see below), whose sum is σ = 48248361504. Its totient is φ = 45839762080.

The previous prime is 47042673493. The next prime is 47042673527. The reversal of 47042673521 is 12537624074.

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

It is a cyclic number.

It is not a de Polignac number, because 47042673521 - 234 = 29862804337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47042673527) 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 7 ways as a sum of consecutive naturals, for example, 659795 + ... + 727608.

It is an arithmetic number, because the mean of its divisors is an integer number (6031045188).

Almost surely, 247042673521 is an apocalyptic number.

47042673521 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47042673521 is a deficient number, since it is larger than the sum of its proper divisors (1205687983).

47042673521 is a wasteful number, since it uses less digits than its factorization.

47042673521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388271.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 47042673521 in words is "forty-seven billion, forty-two million, six hundred seventy-three thousand, five hundred twenty-one".

Divisors: 1 41 827 33907 1387403 56883523 1147382281 47042673521