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40343140141 is a prime number
BaseRepresentation
bin100101100100101000…
…110111011100101101
310212010120201212021121
4211210220313130231
51130110320441031
630311113300541
72625512014243
oct454450673455
9125116655247
1040343140141
1116122718337
12799aa04751
133a5c1a6275
141d49db0793
1510b1bb8011
hex964a3772d

40343140141 has 2 divisors, whose sum is σ = 40343140142. Its totient is φ = 40343140140.

The previous prime is 40343140093. The next prime is 40343140157. The reversal of 40343140141 is 14104134304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40148537641 + 194602500 = 200371^2 + 13950^2 .

It is a cyclic number.

It is not a de Polignac number, because 40343140141 - 229 = 39806269229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40343140171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171570070 + 20171570071.

It is an arithmetic number, because the mean of its divisors is an integer number (20171570071).

Almost surely, 240343140141 is an apocalyptic number.

40343140141 is the 127033-rd centered pentagonal number.

It is an amenable number.

40343140141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40343140141 is an equidigital number, since it uses as much as digits as its factorization.

40343140141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40343140141 its reverse (14104134304), we get a palindrome (54447274445).

The spelling of 40343140141 in words is "forty billion, three hundred forty-three million, one hundred forty thousand, one hundred forty-one".