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30142011197 is a prime number
BaseRepresentation
bin11100000100100110…
…101001011100111101
32212210122111211010002
4130010212221130331
5443212323324242
621502543524045
72114642603444
oct340446513475
985718454102
1030142011197
111186841a161
125a125b9625
132ac49279ac
14165d253d5b
15bb632b432
hex7049a973d

30142011197 has 2 divisors, whose sum is σ = 30142011198. Its totient is φ = 30142011196.

The previous prime is 30142011181. The next prime is 30142011203. The reversal of 30142011197 is 79111024103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18870791641 + 11271219556 = 137371^2 + 106166^2 .

It is an emirp because it is prime and its reverse (79111024103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30142011197 - 24 = 30142011181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30142011167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071005598 + 15071005599.

It is an arithmetic number, because the mean of its divisors is an integer number (15071005599).

Almost surely, 230142011197 is an apocalyptic number.

It is an amenable number.

30142011197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142011197 is an equidigital number, since it uses as much as digits as its factorization.

30142011197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 30142011197 in words is "thirty billion, one hundred forty-two million, eleven thousand, one hundred ninety-seven".