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2430001121 = 5094774069
BaseRepresentation
bin1001000011010110…
…1101111111100001
320021100110211212112
42100311231333201
514434040013441
61041043205105
7114134445242
oct22065557741
96240424775
102430001121
111037743899
12579976795
132c95912b2
14190a2ccc9
15e35004eb
hex90d6dfe1

2430001121 has 4 divisors (see below), whose sum is σ = 2434775700. Its totient is φ = 2425226544.

The previous prime is 2430001103. The next prime is 2430001127. The reversal of 2430001121 is 1211000342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1211000342 = 2605500171.

It can be written as a sum of positive squares in 2 ways, for example, as 1973580625 + 456420496 = 44425^2 + 21364^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430001121 - 214 = 2429984737 is a prime.

It is a super-2 number, since 2×24300011212 = 11809810896122513282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2430001096 and 2430001105.

It is not an unprimeable number, because it can be changed into a prime (2430001127) 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, 2386526 + ... + 2387543.

It is an arithmetic number, because the mean of its divisors is an integer number (608693925).

Almost surely, 22430001121 is an apocalyptic number.

It is an amenable number.

2430001121 is a deficient number, since it is larger than the sum of its proper divisors (4774579).

2430001121 is an equidigital number, since it uses as much as digits as its factorization.

2430001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774578.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2430001121 is about 49295.0415457782. The cubic root of 2430001121 is about 1344.4216307019.

Adding to 2430001121 its reverse (1211000342), we get a palindrome (3641001463).

The spelling of 2430001121 in words is "two billion, four hundred thirty million, one thousand, one hundred twenty-one".

Divisors: 1 509 4774069 2430001121