Search a number
-
+
1301149957 is a prime number
BaseRepresentation
bin100110110001101…
…1111100100000101
310100200100021012011
41031203133210011
510131043244312
6333040054221
744146410052
oct11543374405
93320307164
101301149957
11608513248
12303904371
1317974b523
14c4b40029
157936ada7
hex4d8df905

1301149957 has 2 divisors, whose sum is σ = 1301149958. Its totient is φ = 1301149956.

The previous prime is 1301149921. The next prime is 1301149979. The reversal of 1301149957 is 7599411031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 893352321 + 407797636 = 29889^2 + 20194^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301149957 - 211 = 1301147909 is a prime.

It is a super-2 number, since 2×13011499572 = 3385982421202203698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301149357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650574978 + 650574979.

It is an arithmetic number, because the mean of its divisors is an integer number (650574979).

Almost surely, 21301149957 is an apocalyptic number.

It is an amenable number.

1301149957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301149957 is an equidigital number, since it uses as much as digits as its factorization.

1301149957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 1301149957 is about 36071.4562639215. The cubic root of 1301149957 is about 1091.7145971639.

The spelling of 1301149957 in words is "one billion, three hundred one million, one hundred forty-nine thousand, nine hundred fifty-seven".