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2030919939 = 3375219257
BaseRepresentation
bin111100100001101…
…0110000100000011
312020112112102102000
41321003112010003
513124403414224
6533305355043
7101220351246
oct17103260403
95215472360
102030919939
11952446234
12488198a83
132649b1c99
14153a2725d
15bd46e0c9
hex790d6103

2030919939 has 8 divisors (see below), whose sum is σ = 3008770320. Its totient is φ = 1353946608.

The previous prime is 2030919911. The next prime is 2030919949. The reversal of 2030919939 is 9399190302.

It is not a de Polignac number, because 2030919939 - 216 = 2030854403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2030919894 and 2030919903.

It is not an unprimeable number, because it can be changed into a prime (2030919949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37609602 + ... + 37609655.

It is an arithmetic number, because the mean of its divisors is an integer number (376096290).

Almost surely, 22030919939 is an apocalyptic number.

2030919939 is a deficient number, since it is larger than the sum of its proper divisors (977850381).

2030919939 is an equidigital number, since it uses as much as digits as its factorization.

2030919939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75219266 (or 75219260 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 2030919939 is about 45065.7290965097. The cubic root of 2030919939 is about 1266.3806552839.

The spelling of 2030919939 in words is "two billion, thirty million, nine hundred nineteen thousand, nine hundred thirty-nine".

Divisors: 1 3 9 27 75219257 225657771 676973313 2030919939