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6113348640 = 25345779853
BaseRepresentation
bin1011011000110001…
…00100110000100000
3120210001100021210000
411230120210300200
5100010004124030
62450342140000
7304331414610
oct55430446040
916701307700
106113348640
11265790a353
121227421600
13765704379
1441dcb6a40
1525ba77860
hex16c624c20

6113348640 has 480 divisors, whose sum is σ = 24998561280. Its totient is φ = 1378031616.

The previous prime is 6113348639. The next prime is 6113348663. The reversal of 6113348640 is 468433116.

It is a happy number.

6113348640 is a `hidden beast` number, since 6 + 1 + 1 + 3 + 3 + 4 + 8 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

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 = 6113348595 and 6113348604.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7166454 + ... + 7167306.

It is an arithmetic number, because the mean of its divisors is an integer number (52080336).

Almost surely, 26113348640 is an apocalyptic number.

6113348640 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 6113348640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499280640).

6113348640 is an abundant number, since it is smaller than the sum of its proper divisors (18885212640).

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

6113348640 is a wasteful number, since it uses less digits than its factorization.

6113348640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6113348640 is about 78187.9059701691. The cubic root of 6113348640 is about 1828.4919583673.

The spelling of 6113348640 in words is "six billion, one hundred thirteen million, three hundred forty-eight thousand, six hundred forty".