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2020400141 is a prime number
BaseRepresentation
bin111100001101100…
…1101110000001101
312012210201221221212
41320123031300031
513114210301031
6532252104205
7101032055264
oct17033156015
95183657855
102020400141
11947510591
12484765065
1326276a956
141524895db
15bc59212b
hex786cdc0d

2020400141 has 2 divisors, whose sum is σ = 2020400142. Its totient is φ = 2020400140.

The previous prime is 2020400117. The next prime is 2020400143. The reversal of 2020400141 is 1410040202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1960275625 + 60124516 = 44275^2 + 7754^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020400141 - 26 = 2020400077 is a prime.

Together with 2020400143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020400143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010200070 + 1010200071.

It is an arithmetic number, because the mean of its divisors is an integer number (1010200071).

Almost surely, 22020400141 is an apocalyptic number.

It is an amenable number.

2020400141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020400141 is an equidigital number, since it uses as much as digits as its factorization.

2020400141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2020400141 is about 44948.8613982601. The cubic root of 2020400141 is about 1264.1903281619.

Adding to 2020400141 its reverse (1410040202), we get a palindrome (3430440343).

The spelling of 2020400141 in words is "two billion, twenty million, four hundred thousand, one hundred forty-one".