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5681255040 = 273252234423
BaseRepresentation
bin1010100101010000…
…10001001010000000
3112122221021122210100
411102220101022000
543113400130130
62335425002400
7260533604526
oct52250211200
915587248710
105681255040
112455a13aaa
121126783400
136c7036b96
143bc75a316
15233b74c60
hex152a11280

5681255040 has 192 divisors, whose sum is σ = 19710512640. Its totient is φ = 1507866624.

The previous prime is 5681254993. The next prime is 5681255051. The reversal of 5681255040 is 405521865.

5681255040 is a `hidden beast` number, since 5 + 68 + 1 + 2 + 550 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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 = 5681254986 and 5681255004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1282269 + ... + 1286691.

It is an arithmetic number, because the mean of its divisors is an integer number (102658920).

Almost surely, 25681255040 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 5681255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9855256320).

5681255040 is an abundant number, since it is smaller than the sum of its proper divisors (14029257600).

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

5681255040 is a wasteful number, since it uses less digits than its factorization.

5681255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4656 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 5681255040 is about 75374.1005916489. The cubic root of 5681255040 is about 1784.3556839390.

The spelling of 5681255040 in words is "five billion, six hundred eighty-one million, two hundred fifty-five thousand, forty".