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1255403147 is a prime number
BaseRepresentation
bin100101011010011…
…1110111010001011
310020111021002100212
41022310332322023
510032340400042
6324323351335
743052515325
oct11264767213
93214232325
101255403147
11594707a69
122b052254b
13170121ccb
14bca32615
1575331482
hex4ad3ee8b

1255403147 has 2 divisors, whose sum is σ = 1255403148. Its totient is φ = 1255403146.

The previous prime is 1255403143. The next prime is 1255403161. The reversal of 1255403147 is 7413045521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255403147 - 22 = 1255403143 is a prime.

It is a super-2 number, since 2×12554031472 = 3152074122995007218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1255403143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627701573 + 627701574.

It is an arithmetic number, because the mean of its divisors is an integer number (627701574).

Almost surely, 21255403147 is an apocalyptic number.

1255403147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255403147 is an equidigital number, since it uses as much as digits as its factorization.

1255403147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1255403147 is about 35431.6687018831. The cubic root of 1255403147 is about 1078.7672110263.

Adding to 1255403147 its reverse (7413045521), we get a palindrome (8668448668).

The spelling of 1255403147 in words is "one billion, two hundred fifty-five million, four hundred three thousand, one hundred forty-seven".