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30220121353 is a prime number
BaseRepresentation
bin11100001001010000…
…100111010100001001
32220000002111020002211
4130021100213110021
5443342322340403
621514414025121
72116611536032
oct341120472411
986002436084
1030220121353
11118a851a504
125a347a81a1
132b07b75b16
141669787a89
15bbd10a06d
hex709427509

30220121353 has 2 divisors, whose sum is σ = 30220121354. Its totient is φ = 30220121352.

The previous prime is 30220121333. The next prime is 30220121363. The reversal of 30220121353 is 35312102203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30175858944 + 44262409 = 173712^2 + 6653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30220121353 is a prime.

It is not a weakly prime, because it can be changed into another prime (30220121333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110060676 + 15110060677.

It is an arithmetic number, because the mean of its divisors is an integer number (15110060677).

Almost surely, 230220121353 is an apocalyptic number.

It is an amenable number.

30220121353 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220121353 is an equidigital number, since it uses as much as digits as its factorization.

30220121353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 30220121353 its reverse (35312102203), we get a palindrome (65532223556).

The spelling of 30220121353 in words is "thirty billion, two hundred twenty million, one hundred twenty-one thousand, three hundred fifty-three".