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1027208201 is a prime number
BaseRepresentation
bin111101001110011…
…111010000001001
32122120212120202012
4331032133100021
54100431130301
6245532345305
734312061045
oct7516372011
92576776665
101027208201
114879177a8
12248015235
13134a75506
149a5d1025
15602a7ebb
hex3d39f409

1027208201 has 2 divisors, whose sum is σ = 1027208202. Its totient is φ = 1027208200.

The previous prime is 1027208197. The next prime is 1027208251. The reversal of 1027208201 is 1028027201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964164601 + 63043600 = 31051^2 + 7940^2 .

It is an emirp because it is prime and its reverse (1028027201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1027208201 - 22 = 1027208197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1027208251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513604100 + 513604101.

It is an arithmetic number, because the mean of its divisors is an integer number (513604101).

Almost surely, 21027208201 is an apocalyptic number.

It is an amenable number.

1027208201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027208201 is an equidigital number, since it uses as much as digits as its factorization.

1027208201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1027208201 is about 32050.0889390342. The cubic root of 1027208201 is about 1008.9883675236.

The spelling of 1027208201 in words is "one billion, twenty-seven million, two hundred eight thousand, two hundred one".