Search a number
-
+
15030421131293 is a prime number
BaseRepresentation
bin1101101010111000101011…
…1010011001000000011101
31222012220010220001222010222
43122232022322121000131
53432224300302200133
651544514040011125
73110624563430351
oct332561272310035
958186126058128
1015030421131293
1148754029827a7
121828bb5760aa5
13850493914499
1439d694c25461
151b0e98227e98
hexdab8ae9901d

15030421131293 has 2 divisors, whose sum is σ = 15030421131294. Its totient is φ = 15030421131292.

The previous prime is 15030421131289. The next prime is 15030421131359. The reversal of 15030421131293 is 39213112403051.

15030421131293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12946445945689 + 2083975185604 = 3598117^2 + 1443598^2 .

It is an emirp because it is prime and its reverse (39213112403051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15030421131293 - 22 = 15030421131289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15030421131203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7515210565646 + 7515210565647.

It is an arithmetic number, because the mean of its divisors is an integer number (7515210565647).

Almost surely, 215030421131293 is an apocalyptic number.

It is an amenable number.

15030421131293 is a deficient number, since it is larger than the sum of its proper divisors (1).

15030421131293 is an equidigital number, since it uses as much as digits as its factorization.

15030421131293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 15030421131293 in words is "fifteen trillion, thirty billion, four hundred twenty-one million, one hundred thirty-one thousand, two hundred ninety-three".