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12345030233 = 17726178249
BaseRepresentation
bin10110111111101001…
…00011011001011001
31011212100100111211222
423133310203121121
5200240311431413
65400552501425
7614631011534
oct133764433131
934770314758
1012345030233
1152654a1a28
1224863aa875
13121979a923
14851793a1b
154c3bc6b08
hex2dfd23659

12345030233 has 4 divisors (see below), whose sum is σ = 13071208500. Its totient is φ = 11618851968.

The previous prime is 12345030223. The next prime is 12345030239. The reversal of 12345030233 is 33203054321.

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: 33203054321 = 125032655607.

It can be written as a sum of positive squares in 2 ways, for example, as 10284596569 + 2060433664 = 101413^2 + 45392^2 .

It is a cyclic number.

It is not a de Polignac number, because 12345030233 - 222 = 12340835929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12345030239) 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, 363089108 + ... + 363089141.

It is an arithmetic number, because the mean of its divisors is an integer number (3267802125).

Almost surely, 212345030233 is an apocalyptic number.

It is an amenable number.

12345030233 is a deficient number, since it is larger than the sum of its proper divisors (726178267).

12345030233 is an equidigital number, since it uses as much as digits as its factorization.

12345030233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726178266.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 12345030233 its reverse (33203054321), we get a palindrome (45548084554).

The spelling of 12345030233 in words is "twelve billion, three hundred forty-five million, thirty thousand, two hundred thirty-three".

Divisors: 1 17 726178249 12345030233