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2101422053 is a prime number
BaseRepresentation
bin111110101000001…
…0010011111100101
312102110012022010102
41331100102133211
513300431001203
6544304433445
7103034535623
oct17520223745
95373168112
102101422053
1198921a545
124a7918885
13276498203
1415d13a513
15c4748888
hex7d4127e5

2101422053 has 2 divisors, whose sum is σ = 2101422054. Its totient is φ = 2101422052.

The previous prime is 2101422031. The next prime is 2101422073. The reversal of 2101422053 is 3502241012.

It is an a-pointer prime, because the next prime (2101422073) can be obtained adding 2101422053 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1992908164 + 108513889 = 44642^2 + 10417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2101422053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101422023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050711026 + 1050711027.

It is an arithmetic number, because the mean of its divisors is an integer number (1050711027).

Almost surely, 22101422053 is an apocalyptic number.

It is an amenable number.

2101422053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101422053 is an equidigital number, since it uses as much as digits as its factorization.

2101422053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2101422053 is about 45841.2701940075. The cubic root of 2101422053 is about 1280.8681555502.

Adding to 2101422053 its reverse (3502241012), we get a palindrome (5603663065).

The spelling of 2101422053 in words is "two billion, one hundred one million, four hundred twenty-two thousand, fifty-three".