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140105101 is a prime number
BaseRepresentation
bin10000101100111…
…01010110001101
3100202122002001211
420112131112031
5241331330401
621522534421
73320605453
oct1026352615
9322562054
10140105101
11720a4044
123ab07411
1323046136
14148709d3
15c477951
hex859d58d

140105101 has 2 divisors, whose sum is σ = 140105102. Its totient is φ = 140105100.

The previous prime is 140105099. The next prime is 140105113. The reversal of 140105101 is 101501041.

140105101 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., 89680900 + 50424201 = 9470^2 + 7101^2 .

It is a cyclic number.

It is not a de Polignac number, because 140105101 - 21 = 140105099 is a prime.

Together with 140105099, 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 (140105201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70052550 + 70052551.

It is an arithmetic number, because the mean of its divisors is an integer number (70052551).

Almost surely, 2140105101 is an apocalyptic number.

It is an amenable number.

140105101 is a deficient number, since it is larger than the sum of its proper divisors (1).

140105101 is an equidigital number, since it uses as much as digits as its factorization.

140105101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 140105101 is about 11836.6000608283. The cubic root of 140105101 is about 519.3793149028.

Adding to 140105101 its reverse (101501041), we get a palindrome (241606142).

The spelling of 140105101 in words is "one hundred forty million, one hundred five thousand, one hundred one".