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1230310220233 = 3733298418821
BaseRepresentation
bin10001111001110100001…
…101000010000111001001
311100121122102201211111211
4101321310031002013021
5130124133404021413
62341110253453121
7154613143216033
oct21716415020711
94317572654454
101230310220233
11434854055186
1217a5384a11a1
138c030018773
1443793c46c53
152200ab9183d
hex11e743421c9

1230310220233 has 4 divisors (see below), whose sum is σ = 1233608639428. Its totient is φ = 1227011801040.

The previous prime is 1230310220221. The next prime is 1230310220263. The reversal of 1230310220233 is 3320220130321.

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 361095231744 + 869214988489 = 600912^2 + 932317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230310220233 - 213 = 1230310212041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230310220213) 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, 1649209038 + ... + 1649209783.

It is an arithmetic number, because the mean of its divisors is an integer number (308402159857).

Almost surely, 21230310220233 is an apocalyptic number.

It is an amenable number.

1230310220233 is a deficient number, since it is larger than the sum of its proper divisors (3298419195).

1230310220233 is an equidigital number, since it uses as much as digits as its factorization.

1230310220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298419194.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1230310220233 its reverse (3320220130321), we get a palindrome (4550530350554).

The spelling of 1230310220233 in words is "one trillion, two hundred thirty billion, three hundred ten million, two hundred twenty thousand, two hundred thirty-three".

Divisors: 1 373 3298418821 1230310220233