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2065459121 = 11971935763
BaseRepresentation
bin111101100011100…
…0110011110110001
312022221112012020222
41323013012132301
513212224142441
6540541542425
7102120053465
oct17307063661
95287465228
102065459121
1196a997010
12497874a15
1326bbb607b
141584584a5
15c14e2d4b
hex7b1c67b1

2065459121 has 8 divisors (see below), whose sum is σ = 2276458464. Its totient is φ = 1858331520.

The previous prime is 2065459093. The next prime is 2065459139. The reversal of 2065459121 is 1219545602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2065459121 is a prime.

It is a super-2 number, since 2×20654591212 = 8532242761044185282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2065455121) 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, 966815 + ... + 968948.

It is an arithmetic number, because the mean of its divisors is an integer number (284557308).

Almost surely, 22065459121 is an apocalyptic number.

It is an amenable number.

2065459121 is a deficient number, since it is larger than the sum of its proper divisors (210999343).

2065459121 is a wasteful number, since it uses less digits than its factorization.

2065459121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935871.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2065459121 is about 45447.3224843885. The cubic root of 2065459121 is about 1273.5193106569.

The spelling of 2065459121 in words is "two billion, sixty-five million, four hundred fifty-nine thousand, one hundred twenty-one".

Divisors: 1 11 97 1067 1935763 21293393 187769011 2065459121