Search a number
-
+
30211998053 is a prime number
BaseRepresentation
bin11100001000110001…
…101000000101100101
32212222112012112000212
4130020301220011211
5443333232414203
621513523545205
72116452513656
oct341061500545
985875175025
1030211998053
11118a3981336
125a31b2b205
132b06290533
14166867152d
15bbc5531d8
hex708c68165

30211998053 has 2 divisors, whose sum is σ = 30211998054. Its totient is φ = 30211998052.

The previous prime is 30211998031. The next prime is 30211998079. The reversal of 30211998053 is 35089911203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18361063009 + 11850935044 = 135503^2 + 108862^2 .

It is an emirp because it is prime and its reverse (35089911203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30211998053 - 26 = 30211997989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30211998053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30211998023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105999026 + 15105999027.

It is an arithmetic number, because the mean of its divisors is an integer number (15105999027).

Almost surely, 230211998053 is an apocalyptic number.

It is an amenable number.

30211998053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211998053 is an equidigital number, since it uses as much as digits as its factorization.

30211998053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 30211998053 in words is "thirty billion, two hundred eleven million, nine hundred ninety-eight thousand, fifty-three".