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2768908320 = 2533517371019
BaseRepresentation
bin1010010100001010…
…0011000000100000
321010222012010011000
42211002203000200
521132320031240
61134431152000
7125421222003
oct24502430040
97128163130
102768908320
1111a0a81892
12653375600
133518623b9
141c3a4d53a
15113147430
hexa50a3020

2768908320 has 384 divisors, whose sum is σ = 10548921600. Its totient is φ = 675495936.

The previous prime is 2768908319. The next prime is 2768908327. The reversal of 2768908320 is 238098672.

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

It is not an unprimeable number, because it can be changed into a prime (2768908327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2716771 + ... + 2717789.

It is an arithmetic number, because the mean of its divisors is an integer number (27471150).

Almost surely, 22768908320 is an apocalyptic number.

2768908320 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 2768908320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5274460800).

2768908320 is an abundant number, since it is smaller than the sum of its proper divisors (7780013280).

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

2768908320 is a wasteful number, since it uses less digits than its factorization.

2768908320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2768908320 is about 52620.4173301581. The cubic root of 2768908320 is about 1404.2233555095.

The spelling of 2768908320 in words is "two billion, seven hundred sixty-eight million, nine hundred eight thousand, three hundred twenty".