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2828032496640 = 210345133714177
BaseRepresentation
bin101001001001110011110…
…111110101010000000000
3101000100122110001222010000
4221021303313311100000
5332313302304343030
610003102531040000
7411214165411401
oct51116367652000
911010573058100
102828032496640
119a03a868817a
12398112440000
131768b4098c60
149ac3dc239a8
154d86c304860
hex29273df5400

2828032496640 has 880 divisors, whose sum is σ = 11209366464912. Its totient is φ = 677268946944.

The previous prime is 2828032496593. The next prime is 2828032496659. The reversal of 2828032496640 is 466942308282.

2828032496640 is a `hidden beast` number, since 2 + 8 + 2 + 80 + 32 + 496 + 6 + 40 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 280510055424 + 2547522441216 = 529632^2 + 1596096^2 .

It is a super-2 number, since 2×28280324966402 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 199473232 + ... + 199487408.

Almost surely, 22828032496640 is an apocalyptic number.

2828032496640 is a gapful number since it is divisible by the number (20) 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 2828032496640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5604683232456).

2828032496640 is an abundant number, since it is smaller than the sum of its proper divisors (8381333968272).

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

2828032496640 is a wasteful number, since it uses less digits than its factorization.

2828032496640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264 (or 14237 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 2828032496640 in words is "two trillion, eight hundred twenty-eight billion, thirty-two million, four hundred ninety-six thousand, six hundred forty".