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2768638042 = 27140734787
BaseRepresentation
bin1010010100000110…
…0001000001011010
321010221200101101201
42211001201001122
521132232404132
61134421304414
7125416015012
oct24501410132
97127611351
102768638042
1111a0907815
1265326510a
13351799381
141c39bcc42
151130e22e7
hexa506105a

2768638042 has 16 divisors (see below), whose sum is σ = 4213363392. Its totient is φ = 1364201440.

The previous prime is 2768638013. The next prime is 2768638051. The reversal of 2768638042 is 2408368672.

It is a junction number, because it is equal to n+sod(n) for n = 2768637983 and 2768638001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575973 + ... + 580759.

It is an arithmetic number, because the mean of its divisors is an integer number (263335212).

Almost surely, 22768638042 is an apocalyptic number.

2768638042 is a deficient number, since it is larger than the sum of its proper divisors (1444725350).

2768638042 is a wasteful number, since it uses less digits than its factorization.

2768638042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 2768638042 is about 52617.8490818467. The cubic root of 2768638042 is about 1404.1776644542.

The spelling of 2768638042 in words is "two billion, seven hundred sixty-eight million, six hundred thirty-eight thousand, forty-two".

Divisors: 1 2 71 142 4073 4787 8146 9574 289183 339877 578366 679754 19497451 38994902 1384319021 2768638042