Search a number
-
+
189571799655744 = 263112197112747629
BaseRepresentation
bin101011000110101000011111…
…110001110010010101000000
3220212012212221122220111221120
4223012220133301302111000
5144321421021202440434
61511104025452552240
754634052630032122
oct5306503761622500
9825185848814846
10189571799655744
1155448a48862a00
1219318350182680
1381a170c22c6bc
1434b5477311212
1516db2e6b15349
hexac6a1fc72540

189571799655744 has 672 divisors, whose sum is σ = 593155274342400. Its totient is φ = 53232405811200.

The previous prime is 189571799655731. The next prime is 189571799655779. The reversal of 189571799655744 is 447556997175981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3980152122 + ... + 3980199750.

It is an arithmetic number, because the mean of its divisors is an integer number (882671539200).

Almost surely, 2189571799655744 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 189571799655744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296577637171200).

189571799655744 is an abundant number, since it is smaller than the sum of its proper divisors (403583474686656).

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

189571799655744 is a wasteful number, since it uses less digits than its factorization.

189571799655744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47883 (or 47862 counting only the distinct ones).

The product of its digits is 24004512000, while the sum is 87.

The spelling of 189571799655744 in words is "one hundred eighty-nine trillion, five hundred seventy-one billion, seven hundred ninety-nine million, six hundred fifty-five thousand, seven hundred forty-four".