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2120033001 = 3706677667
BaseRepresentation
bin111111001011101…
…0010001011101001
312110202012211112210
41332113102023221
513320212024001
6550211355333
7103351661142
oct17627221351
95422184483
102120033001
11998781199
124b1bb2b49
1327a2b32c8
141617c2ac9
15c61c2dd6
hex7e5d22e9

2120033001 has 4 divisors (see below), whose sum is σ = 2826710672. Its totient is φ = 1413355332.

The previous prime is 2120032987. The next prime is 2120033021. The reversal of 2120033001 is 1003300212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-2120033001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120033021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353338831 + ... + 353338836.

It is an arithmetic number, because the mean of its divisors is an integer number (706677668).

Almost surely, 22120033001 is an apocalyptic number.

It is an amenable number.

2120033001 is a deficient number, since it is larger than the sum of its proper divisors (706677671).

2120033001 is an equidigital number, since it uses as much as digits as its factorization.

2120033001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706677670.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2120033001 is about 46043.8160994503. The cubic root of 2120033001 is about 1284.6383234215.

Adding to 2120033001 its reverse (1003300212), we get a palindrome (3123333213).

The spelling of 2120033001 in words is "two billion, one hundred twenty million, thirty-three thousand, one".

Divisors: 1 3 706677667 2120033001