Search a number
-
+
47816496728 = 23731113233523
BaseRepresentation
bin101100100010000101…
…011101011001011000
311120102102011201020022
4230202011131121120
51240412010343403
633544441250012
73311636342000
oct544205353130
9146372151208
1047816496728
11193081907a0
129325793908
134680596060
142458749000
15139cd35d38
hexb2215d658

47816496728 has 256 divisors, whose sum is σ = 123596928000. Its totient is φ = 17090196480.

The previous prime is 47816496709. The next prime is 47816496731. The reversal of 47816496728 is 82769461874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91427075 + ... + 91427597.

It is an arithmetic number, because the mean of its divisors is an integer number (482800500).

Almost surely, 247816496728 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 47816496728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61798464000).

47816496728 is an abundant number, since it is smaller than the sum of its proper divisors (75780431272).

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

47816496728 is a wasteful number, since it uses less digits than its factorization.

47816496728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 789 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 62.

The spelling of 47816496728 in words is "forty-seven billion, eight hundred sixteen million, four hundred ninety-six thousand, seven hundred twenty-eight".