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1440100213 is a prime number
BaseRepresentation
bin101010111010110…
…0010111101110101
310201100210200002221
41111311202331311
510422131201323
6354522202341
750454435616
oct12565427565
93640720087
101440100213
11679998672
123423533b1
1319c47bb06
14d938dc0d
158666655d
hex55d62f75

1440100213 has 2 divisors, whose sum is σ = 1440100214. Its totient is φ = 1440100212.

The previous prime is 1440100157. The next prime is 1440100217. The reversal of 1440100213 is 3120010441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289743569 + 150356644 = 35913^2 + 12262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440100213 - 213 = 1440092021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440100217) 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, 720050106 + 720050107.

It is an arithmetic number, because the mean of its divisors is an integer number (720050107).

Almost surely, 21440100213 is an apocalyptic number.

It is an amenable number.

1440100213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440100213 is an equidigital number, since it uses as much as digits as its factorization.

1440100213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1440100213 is about 37948.6523212617. The cubic root of 1440100213 is about 1129.2694296172.

Adding to 1440100213 its reverse (3120010441), we get a palindrome (4560110654).

The spelling of 1440100213 in words is "one billion, four hundred forty million, one hundred thousand, two hundred thirteen".