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3001032012221 = 3784937928897
BaseRepresentation
bin101011101010111011011…
…100100111000110111101
3101121220012002011221001222
4223222323130213012331
5343132103143342341
610214353255043125
7426550241134055
oct53527334470675
911556162157058
103001032012221
11a57804374841
124057536704a5
13189cc4597c19
14a5371db8565
15530e514a44b
hex2babb7271bd

3001032012221 has 4 divisors (see below), whose sum is σ = 3001040319612. Its totient is φ = 3001023704832.

The previous prime is 3001032012197. The next prime is 3001032012323. The reversal of 3001032012221 is 1222102301003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2788616107225 + 212415904996 = 1669915^2 + 460886^2 .

It is a cyclic number.

It is not a de Polignac number, because 3001032012221 - 214 = 3001031995837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3001032012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001032012421) 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, 3585956 + ... + 4342941.

It is an arithmetic number, because the mean of its divisors is an integer number (750260079903).

Almost surely, 23001032012221 is an apocalyptic number.

It is an amenable number.

3001032012221 is a deficient number, since it is larger than the sum of its proper divisors (8307391).

3001032012221 is an equidigital number, since it uses as much as digits as its factorization.

3001032012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307390.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 3001032012221 its reverse (1222102301003), we get a palindrome (4223134313224).

The spelling of 3001032012221 in words is "three trillion, one billion, thirty-two million, twelve thousand, two hundred twenty-one".

Divisors: 1 378493 7928897 3001032012221