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61230452233 is a prime number
BaseRepresentation
bin111001000001100111…
…101000111000001001
312212001020220020220011
4321001213220320021
52000344443432413
644043501031521
74265230153666
oct710147507011
9185036806804
1061230452233
1123a70aa3035
12ba49b555a1
135a0a654432
142d6c06ca6d
1518d57a633d
hexe419e8e09

61230452233 has 2 divisors, whose sum is σ = 61230452234. Its totient is φ = 61230452232.

The previous prime is 61230452209. The next prime is 61230452263. The reversal of 61230452233 is 33225403216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34403943289 + 26826508944 = 185483^2 + 163788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61230452233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61230452195 and 61230452204.

It is not a weakly prime, because it can be changed into another prime (61230452263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30615226116 + 30615226117.

It is an arithmetic number, because the mean of its divisors is an integer number (30615226117).

Almost surely, 261230452233 is an apocalyptic number.

It is an amenable number.

61230452233 is a deficient number, since it is larger than the sum of its proper divisors (1).

61230452233 is an equidigital number, since it uses as much as digits as its factorization.

61230452233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 61230452233 its reverse (33225403216), we get a palindrome (94455855449).

The spelling of 61230452233 in words is "sixty-one billion, two hundred thirty million, four hundred fifty-two thousand, two hundred thirty-three".