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3030144401 = 4173905961
BaseRepresentation
bin1011010010011100…
…0101010110010001
321211011202021200102
42310213011112101
522201204110101
61220402302145
7135042542144
oct26447052621
97734667612
103030144401
11131548a379
12706957955
13393a0a16b
1420a61205b
1512b04a86b
hexb49c5591

3030144401 has 4 divisors (see below), whose sum is σ = 3104050404. Its totient is φ = 2956238400.

The previous prime is 3030144391. The next prime is 3030144427. The reversal of 3030144401 is 1044410303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1044410303 = 1117193493.

It can be written as a sum of positive squares in 2 ways, for example, as 557668225 + 2472476176 = 23615^2 + 49724^2 .

It is a cyclic number.

It is not a de Polignac number, because 3030144401 - 210 = 3030143377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3030144001) 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, 36952940 + ... + 36953021.

It is an arithmetic number, because the mean of its divisors is an integer number (776012601).

Almost surely, 23030144401 is an apocalyptic number.

It is an amenable number.

3030144401 is a deficient number, since it is larger than the sum of its proper divisors (73906003).

3030144401 is an equidigital number, since it uses as much as digits as its factorization.

3030144401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73906002.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3030144401 is about 55046.7474152651. The cubic root of 3030144401 is about 1447.0641192125.

Adding to 3030144401 its reverse (1044410303), we get a palindrome (4074554704).

The spelling of 3030144401 in words is "three billion, thirty million, one hundred forty-four thousand, four hundred one".

Divisors: 1 41 73905961 3030144401