Search a number
-
+
716187684864 = 2123312238431
BaseRepresentation
bin10100110110000000001…
…11001101000000000000
32112110121100110222202210
422123000013031000000
543213223021403424
61305002335342120
7102512540610021
oct12330007150000
92473540428683
10716187684864
11256808305953
12b6975981940
13526c8087bb2
1426941170c48
151396a2c3729
hexa6c01cd000

716187684864 has 208 divisors, whose sum is σ = 1980275032064. Its totient is φ = 229965004800.

The previous prime is 716187684851. The next prime is 716187684893. The reversal of 716187684864 is 468486781617.

It is a junction number, because it is equal to n+sod(n) for n = 716187684795 and 716187684804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84942729 + ... + 84951159.

Almost surely, 2716187684864 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 716187684864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990137516032).

716187684864 is an abundant number, since it is smaller than the sum of its proper divisors (1264087347200).

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

716187684864 is a wasteful number, since it uses less digits than its factorization.

716187684864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8690 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 66.

The spelling of 716187684864 in words is "seven hundred sixteen billion, one hundred eighty-seven million, six hundred eighty-four thousand, eight hundred sixty-four".