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1994708199 = 311165736479
BaseRepresentation
bin111011011100100…
…1101010011100111
312011000101200020110
41312321031103213
513041121130244
6525533304103
7100300511541
oct16671152347
95130350213
101994708199
11933a62880
12478035033
1325a343813
1414ccbc691
15ba1b99b9
hex76e4d4e7

1994708199 has 16 divisors (see below), whose sum is σ = 2903224320. Its totient is φ = 1208151360.

The previous prime is 1994708173. The next prime is 1994708201. The reversal of 1994708199 is 9918074991.

It is not a de Polignac number, because 1994708199 - 28 = 1994707943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994708119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36442 + ... + 72920.

It is an arithmetic number, because the mean of its divisors is an integer number (181451520).

Almost surely, 21994708199 is an apocalyptic number.

1994708199 is a deficient number, since it is larger than the sum of its proper divisors (908516121).

1994708199 is a wasteful number, since it uses less digits than its factorization.

1994708199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38150.

The product of its (nonzero) digits is 1469664, while the sum is 57.

The square root of 1994708199 is about 44662.1562287358. The cubic root of 1994708199 is about 1258.8088598240.

The spelling of 1994708199 in words is "one billion, nine hundred ninety-four million, seven hundred eight thousand, one hundred ninety-nine".

Divisors: 1 3 11 33 1657 4971 18227 36479 54681 109437 401269 1203807 60445703 181337109 664902733 1994708199