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20042100041 is a prime number
BaseRepresentation
bin10010101010100110…
…100010110101001001
31220201202202011122112
4102222212202311021
5312021234200131
613112431432105
71306443016355
oct225246426511
956652664575
1020042100041
118555274447
123a74085635
131b753282c2
14d81b24465
157c47d502b
hex4aa9a2d49

20042100041 has 2 divisors, whose sum is σ = 20042100042. Its totient is φ = 20042100040.

The previous prime is 20042100017. The next prime is 20042100061. The reversal of 20042100041 is 14000124002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11578836025 + 8463264016 = 107605^2 + 91996^2 .

It is a cyclic number.

It is not a de Polignac number, because 20042100041 - 26 = 20042099977 is a prime.

It is a super-3 number, since 3×200421000413 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20042099989 and 20042100025.

It is not a weakly prime, because it can be changed into another prime (20042100061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021050020 + 10021050021.

It is an arithmetic number, because the mean of its divisors is an integer number (10021050021).

Almost surely, 220042100041 is an apocalyptic number.

It is an amenable number.

20042100041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042100041 is an equidigital number, since it uses as much as digits as its factorization.

20042100041 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.

Adding to 20042100041 its reverse (14000124002), we get a palindrome (34042224043).

The spelling of 20042100041 in words is "twenty billion, forty-two million, one hundred thousand, forty-one".