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4668678387828 = 2234721343526067
BaseRepresentation
bin100001111110000001011…
…1010101011100001110100
3121112022200020001100020000
41003330002322223201310
51102442423131402303
613532432232311300
7661205126345100
oct103740272534164
917468606040200
104668678387828
11153aa80268474
126349a2b42530
1327b340139440
14121d72890900
158169a3c9da3
hex43f02eab874

4668678387828 has 360 divisors, whose sum is σ = 15645190774752. Its totient is φ = 1202662629504.

The previous prime is 4668678387811. The next prime is 4668678387847. The reversal of 4668678387828 is 8287838768664.

4668678387828 is a `hidden beast` number, since 46 + 68 + 67 + 8 + 387 + 82 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8611651 + ... + 9137717.

Almost surely, 24668678387828 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 4668678387828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7822595387376).

4668678387828 is an abundant number, since it is smaller than the sum of its proper divisors (10976512386924).

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

4668678387828 is a wasteful number, since it uses less digits than its factorization.

4668678387828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526153 (or 526135 counting only the distinct ones).

The product of its digits is 8323596288, while the sum is 81.

The spelling of 4668678387828 in words is "four trillion, six hundred sixty-eight billion, six hundred seventy-eight million, three hundred eighty-seven thousand, eight hundred twenty-eight".