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1980739299 = 372118871381
BaseRepresentation
bin111011000001111…
…1010111011100011
312010001002222111210
41312003322323203
513024032124144
6524314041203
7100041002100
oct16603727343
95101088453
101980739299
11927091830
12473419203
132574925b6
1414b0c3aa7
15b8d5aab9
hex760faee3

1980739299 has 48 divisors (see below), whose sum is σ = 3357662976. Its totient is φ = 1027051200.

The previous prime is 1980739273. The next prime is 1980739331. The reversal of 1980739299 is 9929370891.

It is not a de Polignac number, because 1980739299 - 29 = 1980738787 is a prime.

It is a super-2 number, since 2×19807392992 = 7846656341206022802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1980739249) 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 47 ways as a sum of consecutive naturals, for example, 1433589 + ... + 1434969.

It is an arithmetic number, because the mean of its divisors is an integer number (69951312).

Almost surely, 21980739299 is an apocalyptic number.

1980739299 is a deficient number, since it is larger than the sum of its proper divisors (1376923677).

1980739299 is a wasteful number, since it uses less digits than its factorization.

1980739299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 57.

The square root of 1980739299 is about 44505.4974020064. The cubic root of 1980739299 is about 1255.8635029141.

The spelling of 1980739299 in words is "one billion, nine hundred eighty million, seven hundred thirty-nine thousand, two hundred ninety-nine".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 887 1381 1617 2661 4143 6209 9667 9757 15191 18627 29001 29271 43463 45573 67669 68299 106337 130389 203007 204897 319011 478093 744359 1224947 1434279 2233077 3674841 8574629 13474417 25723887 40423251 60022403 94320919 180067209 282962757 660246433 1980739299