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2780319084 = 223231693257
BaseRepresentation
bin1010010110111000…
…0100110101101100
321011202122211202220
42211232010311230
521143230202314
61135515515340
7125620215354
oct24556046554
97152584686
102780319084
1111a7465974
12657158b50
1335402912a
141c537db64
1511414d3a9
hexa5b84d6c

2780319084 has 12 divisors (see below), whose sum is σ = 6487411224. Its totient is φ = 926773024.

The previous prime is 2780319049. The next prime is 2780319089. The reversal of 2780319084 is 4809130872.

2780319084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2780319089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115846617 + ... + 115846640.

It is an arithmetic number, because the mean of its divisors is an integer number (540617602).

Almost surely, 22780319084 is an apocalyptic number.

It is an amenable number.

2780319084 is an abundant number, since it is smaller than the sum of its proper divisors (3707092140).

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

2780319084 is a wasteful number, since it uses less digits than its factorization.

2780319084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231693264 (or 231693262 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2780319084 is about 52728.7311055368. The cubic root of 2780319084 is about 1406.1496623086.

The spelling of 2780319084 in words is "two billion, seven hundred eighty million, three hundred nineteen thousand, eighty-four".

Divisors: 1 2 3 4 6 12 231693257 463386514 695079771 926773028 1390159542 2780319084