Search a number
-
+
305154849401 is a prime number
BaseRepresentation
bin1000111000011001010…
…01010111101001111001
31002011122202200111202022
410130030221113221321
514444424120140101
6352104115244225
731022010264653
oct4341451275171
91064582614668
10305154849401
11108462a58a16
124b1838a9675
1322a11a9675c
1410aab9d16d3
157e10001a1b
hex470ca57a79

305154849401 has 2 divisors, whose sum is σ = 305154849402. Its totient is φ = 305154849400.

The previous prime is 305154849371. The next prime is 305154849413. The reversal of 305154849401 is 104948451503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304814410000 + 340439401 = 552100^2 + 18451^2 .

It is a cyclic number.

It is not a de Polignac number, because 305154849401 - 214 = 305154833017 is a prime.

It is a super-2 number, since 2×3051548494012 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (305154849481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152577424700 + 152577424701.

It is an arithmetic number, because the mean of its divisors is an integer number (152577424701).

Almost surely, 2305154849401 is an apocalyptic number.

It is an amenable number.

305154849401 is a deficient number, since it is larger than the sum of its proper divisors (1).

305154849401 is an equidigital number, since it uses as much as digits as its factorization.

305154849401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 305154849401 in words is "three hundred five billion, one hundred fifty-four million, eight hundred forty-nine thousand, four hundred one".