Search a number
-
+
47156898816 = 210387019
BaseRepresentation
bin101011111010110001…
…010010110000000000
311111201110000200000000
4223322301102300000
51233034131230231
633355200000000
73256410012006
oct537261226000
9144643020000
1047156898816
1118aa9927055
129180900000
1345a6a31531
1423d4ccaa76
15135ee946e6
hexafac52c00

47156898816 has 198 divisors, whose sum is σ = 141414579540. Its totient is φ = 15716726784.

The previous prime is 47156898727. The next prime is 47156898821. The reversal of 47156898816 is 61889865174.

47156898816 is a `hidden beast` number, since 471 + 5 + 6 + 89 + 8 + 81 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6714955 + ... + 6721973.

Almost surely, 247156898816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47156898816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70707289770).

47156898816 is an abundant number, since it is smaller than the sum of its proper divisors (94257680724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47156898816 is an frugal number, since it uses more digits than its factorization.

47156898816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063 (or 7024 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 47156898816 in words is "forty-seven billion, one hundred fifty-six million, eight hundred ninety-eight thousand, eight hundred sixteen".