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2793287680 = 21251771113
BaseRepresentation
bin1010011001111110…
…0011000000000000
321012200001201100021
42212133203000000
521210040201210
61141101503224
7126135360601
oct24637430000
97180051307
102793287680
111203813417
1265b571b14
13356919c61
141c6d97da8
15115360bda
hexa67e3000

2793287680 has 208 divisors, whose sum is σ = 7261026624. Its totient is φ = 1027604480.

The previous prime is 2793287669. The next prime is 2793287683. The reversal of 2793287680 is 867823972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2793287683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24719304 + ... + 24719416.

Almost surely, 22793287680 is an apocalyptic number.

2793287680 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 2793287680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3630513312).

2793287680 is an abundant number, since it is smaller than the sum of its proper divisors (4467738944).

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

2793287680 is a wasteful number, since it uses less digits than its factorization.

2793287680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 2793287680 is about 52851.5627015891. The cubic root of 2793287680 is about 1408.3325660706.

The spelling of 2793287680 in words is "two billion, seven hundred ninety-three million, two hundred eighty-seven thousand, six hundred eighty".