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47201230045 = 530730749987
BaseRepresentation
bin101011111101011010…
…011001110011011101
311111211112102221000101
4223331122121303131
51233132003330140
633403422101101
73260455556404
oct537532316335
9144745387011
1047201230045
1119021955832
12919371a791
1345b2c83628
1423dab4a63b
151363cee99a
hexafd699cdd

47201230045 has 8 divisors (see below), whose sum is σ = 56825977824. Its totient is φ = 37637982864.

The previous prime is 47201230019. The next prime is 47201230049. The reversal of 47201230045 is 54003210274.

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 47201230045 - 213 = 47201221853 is a prime.

It is a super-2 number, since 2×472012300452 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47201229995 and 47201230022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47201230049) 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, 15373459 + ... + 15376528.

It is an arithmetic number, because the mean of its divisors is an integer number (7103247228).

Almost surely, 247201230045 is an apocalyptic number.

It is an amenable number.

47201230045 is a deficient number, since it is larger than the sum of its proper divisors (9624747779).

47201230045 is a wasteful number, since it uses less digits than its factorization.

47201230045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30750299.

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 47201230045 in words is "forty-seven billion, two hundred one million, two hundred thirty thousand, forty-five".

Divisors: 1 5 307 1535 30749987 153749935 9440246009 47201230045