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2065957190 = 251118781429
BaseRepresentation
bin111101100100100…
…0000000101000110
312022222110111110222
41323021000011012
513212341112230
6541000344342
7102124226543
oct17311000506
95288414428
102065957190
119701a7240
12497a750b2
1326c02b99b
14158547bca
15c15906e5
hex7b240146

2065957190 has 16 divisors (see below), whose sum is σ = 4056788880. Its totient is φ = 751257120.

The previous prime is 2065957183. The next prime is 2065957199. The reversal of 2065957190 is 917595602.

It is a happy number.

It is a super-2 number, since 2×20659571902 = 8536358221825392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065957199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9390605 + ... + 9390824.

It is an arithmetic number, because the mean of its divisors is an integer number (253549305).

Almost surely, 22065957190 is an apocalyptic number.

2065957190 is a deficient number, since it is larger than the sum of its proper divisors (1990831690).

2065957190 is a wasteful number, since it uses less digits than its factorization.

2065957190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18781447.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 2065957190 is about 45452.8017838285. The cubic root of 2065957190 is about 1273.6216687725.

The spelling of 2065957190 in words is "two billion, sixty-five million, nine hundred fifty-seven thousand, one hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 18781429 37562858 93907145 187814290 206595719 413191438 1032978595 2065957190