Search a number
-
+
2303022121 = 6147937877
BaseRepresentation
bin1000100101000101…
…0101010000101001
312221111112122102121
42021101111100221
514204033201441
61020305431241
7111033236131
oct21121252051
95844478377
102303022121
11a81aa5674
1254333b521
132a91928aa
1417bc17ac1
15d72bbdd1
hex89455429

2303022121 has 8 divisors (see below), whose sum is σ = 2341562184. Its totient is φ = 2264507520.

The previous prime is 2303022109. The next prime is 2303022133. The reversal of 2303022121 is 1212203032.

It is an interprime number because it is at equal distance from previous prime (2303022109) and next prime (2303022133).

It can be written as a sum of positive squares in 4 ways, for example, as 24010000 + 2279012121 = 4900^2 + 47739^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2303022121 - 25 = 2303022089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303022095 and 2303022104.

It is not an unprimeable number, because it can be changed into a prime (2303020121) 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, 288435 + ... + 296311.

It is an arithmetic number, because the mean of its divisors is an integer number (292695273).

Almost surely, 22303022121 is an apocalyptic number.

It is an amenable number.

2303022121 is a deficient number, since it is larger than the sum of its proper divisors (38540063).

2303022121 is an equidigital number, since it uses as much as digits as its factorization.

2303022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2303022121 is about 47989.8126793594. The cubic root of 2303022121 is about 1320.5840163268.

Adding to 2303022121 its reverse (1212203032), we get a palindrome (3515225153).

The spelling of 2303022121 in words is "two billion, three hundred three million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 61 4793 7877 292373 480497 37754461 2303022121