Search a number
-
+
1807828201 is a prime number
BaseRepresentation
bin110101111000001…
…0100010011101001
311122222202012002001
41223300110103221
512200301000301
6455220011001
762541200104
oct15360242351
94588665061
101807828201
118485210a3
12425530a61
1322a70123a
1413215373b
15a8aa2c01
hex6bc144e9

1807828201 has 2 divisors, whose sum is σ = 1807828202. Its totient is φ = 1807828200.

The previous prime is 1807828171. The next prime is 1807828213. The reversal of 1807828201 is 1028287081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1379379600 + 428448601 = 37140^2 + 20699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1807828201 - 29 = 1807827689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1807828291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903914100 + 903914101.

It is an arithmetic number, because the mean of its divisors is an integer number (903914101).

Almost surely, 21807828201 is an apocalyptic number.

It is an amenable number.

1807828201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1807828201 is an equidigital number, since it uses as much as digits as its factorization.

1807828201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 1807828201 is about 42518.5630166402. The cubic root of 1807828201 is about 1218.2012822064.

The spelling of 1807828201 in words is "one billion, eight hundred seven million, eight hundred twenty-eight thousand, two hundred one".