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4068247680 = 27355737101
BaseRepresentation
bin1111001001111100…
…1000100010000000
3101111112010101200000
43302133020202000
531312432411210
61511404400000
7202546351260
oct36237104200
911445111600
104068247680
1117a8468772
12956546000
134caac8763
142a843b7a0
1518c256ac0
hexf27c8880

4068247680 has 768 divisors, whose sum is σ = 17268975360. Its totient is φ = 895795200.

The previous prime is 4068247669. The next prime is 4068247697. The reversal of 4068247680 is 867428604.

4068247680 is a `hidden beast` number, since 40 + 68 + 2 + 476 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40279630 + ... + 40279730.

It is an arithmetic number, because the mean of its divisors is an integer number (22485645).

Almost surely, 24068247680 is an apocalyptic number.

4068247680 is a gapful number since it is divisible by the number (40) 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 4068247680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8634487680).

4068247680 is an abundant number, since it is smaller than the sum of its proper divisors (13200727680).

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

4068247680 is a wasteful number, since it uses less digits than its factorization.

4068247680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 4068247680 is about 63782.8164947269. The cubic root of 4068247680 is about 1596.3782245668.

The spelling of 4068247680 in words is "four billion, sixty-eight million, two hundred forty-seven thousand, six hundred eighty".