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1306795923 = 377732
BaseRepresentation
bin100110111100100…
…0001111110010011
310101001222010000000
41031321001332103
510134014432143
6333401101043
744245403436
oct11571017623
93331863000
101306795923
1161071a134
12305787783
1317a977334
14c57ad81d
1579ad3bd3
hex4de41f93

1306795923 has 24 divisors (see below), whose sum is σ = 1962433840. Its totient is φ = 870070248.

The previous prime is 1306795921. The next prime is 1306795951. The reversal of 1306795923 is 3295976031.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 1306795923 - 21 = 1306795921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306795921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1690165 + ... + 1690937.

Almost surely, 21306795923 is an apocalyptic number.

1306795923 is a deficient number, since it is larger than the sum of its proper divisors (655637917).

1306795923 is an frugal number, since it uses more digits than its factorization.

1306795923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 1306795923 is about 36149.6324047700. The cubic root of 1306795923 is about 1093.2913791923.

The spelling of 1306795923 in words is "one billion, three hundred six million, seven hundred ninety-five thousand, nine hundred twenty-three".

Divisors: 1 3 9 27 81 243 729 773 2187 2319 6957 20871 62613 187839 563517 597529 1690551 1792587 5377761 16133283 48399849 145199547 435598641 1306795923