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1395182101 is a prime number
BaseRepresentation
bin101001100101000…
…1100101000010101
310121020021121001011
41103022030220111
510324131311401
6350235332221
746400565205
oct12312145025
93536247034
101395182101
116565a8a65
1232b2b1071
13193082851
14d341a405
1582742451
hex5328ca15

1395182101 has 2 divisors, whose sum is σ = 1395182102. Its totient is φ = 1395182100.

The previous prime is 1395182099. The next prime is 1395182149. The reversal of 1395182101 is 1012815931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848323876 + 546858225 = 29126^2 + 23385^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395182101 - 21 = 1395182099 is a prime.

Together with 1395182099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395182161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697591050 + 697591051.

It is an arithmetic number, because the mean of its divisors is an integer number (697591051).

Almost surely, 21395182101 is an apocalyptic number.

It is an amenable number.

1395182101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395182101 is an equidigital number, since it uses as much as digits as its factorization.

1395182101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1395182101 is about 37352.1364984655. The cubic root of 1395182101 is about 1117.4041980709.

The spelling of 1395182101 in words is "one billion, three hundred ninety-five million, one hundred eighty-two thousand, one hundred one".