Search a number
-
+
1120230243 = 3611139697
BaseRepresentation
bin100001011000101…
…0101101101100011
32220001220121000000
41002301111231203
54243234331433
6303054231043
736521541246
oct10261255543
92801817000
101120230243
11525382620
122731b5483
1314b114b42
14a8ac725d
1568530113
hex42c55b63

1120230243 has 28 divisors (see below), whose sum is σ = 1832278968. Its totient is φ = 678922560.

The previous prime is 1120230211. The next prime is 1120230257. The reversal of 1120230243 is 3420320211.

It is not a de Polignac number, because 1120230243 - 25 = 1120230211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120230143) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 61830 + ... + 77867.

Almost surely, 21120230243 is an apocalyptic number.

1120230243 is a deficient number, since it is larger than the sum of its proper divisors (712048725).

1120230243 is an equidigital number, since it uses as much as digits as its factorization.

1120230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139726 (or 139711 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1120230243 is about 33469.8407973507. The cubic root of 1120230243 is about 1038.5699783170.

Adding to 1120230243 its reverse (3420320211), we get a palindrome (4540550454).

The spelling of 1120230243 in words is "one billion, one hundred twenty million, two hundred thirty thousand, two hundred forty-three".

Divisors: 1 3 9 11 27 33 81 99 243 297 729 891 2673 8019 139697 419091 1257273 1536667 3771819 4610001 11315457 13830003 33946371 41490009 101839113 124470027 373410081 1120230243