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30201214261 is a prime number
BaseRepresentation
bin11100001000001000…
…011111010100110101
32212221202220122110011
4130020020133110311
5443323002324021
621512500500221
72116262041231
oct341010372465
985852818404
1030201214261
1111898886309
125a2a3aa671
132b03c85caa
1416670655c1
15bbb622de1
hex70821f535

30201214261 has 2 divisors, whose sum is σ = 30201214262. Its totient is φ = 30201214260.

The previous prime is 30201214259. The next prime is 30201214301. The reversal of 30201214261 is 16241210203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18253631236 + 11947583025 = 135106^2 + 109305^2 .

It is a cyclic number.

It is not a de Polignac number, because 30201214261 - 21 = 30201214259 is a prime.

It is a super-2 number, since 2×302012142612 (a number of 22 digits) contains 22 as substring.

Together with 30201214259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30201214201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100607130 + 15100607131.

It is an arithmetic number, because the mean of its divisors is an integer number (15100607131).

Almost surely, 230201214261 is an apocalyptic number.

It is an amenable number.

30201214261 is a deficient number, since it is larger than the sum of its proper divisors (1).

30201214261 is an equidigital number, since it uses as much as digits as its factorization.

30201214261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 30201214261 its reverse (16241210203), we get a palindrome (46442424464).

The spelling of 30201214261 in words is "thirty billion, two hundred one million, two hundred fourteen thousand, two hundred sixty-one".