Search a number
-
+
65024843040 = 2534519264071
BaseRepresentation
bin111100100011110010…
…000101110100100000
320012211200201021120000
4330203302011310200
52031132324434130
645512204020000
74461243021603
oct744362056440
9205750637500
1065024843040
1125638913003
1210728831600
1361937a66b1
14320bd8033a
151a58965260
hexf23c85d20

65024843040 has 240 divisors, whose sum is σ = 241562502720. Its totient is φ = 16427266560.

The previous prime is 65024843033. The next prime is 65024843071. The reversal of 65024843040 is 4034842056.

65024843040 is a `hidden beast` number, since 6 + 502 + 4 + 84 + 30 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 65024842986 and 65024843004.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 114205 + ... + 378275.

It is an arithmetic number, because the mean of its divisors is an integer number (1006510428).

Almost surely, 265024843040 is an apocalyptic number.

65024843040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65024843040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120781251360).

65024843040 is an abundant number, since it is smaller than the sum of its proper divisors (176537659680).

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

65024843040 is a wasteful number, since it uses less digits than its factorization.

65024843040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264117 (or 264100 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 65024843040 in words is "sixty-five billion, twenty-four million, eight hundred forty-three thousand, forty".