Search a number
-
+
87231441007 is a prime number
BaseRepresentation
bin101000100111101100…
…1100010100001101111
322100011022100100011101
41101033121202201233
52412122222103012
6104023520303531
76205451004664
oct1211731424157
9270138310141
1087231441007
1133aa3968807
1214aa5771ba7
1382c2382ba9
14431733da6b
1524082a2d57
hex144f66286f

87231441007 has 2 divisors, whose sum is σ = 87231441008. Its totient is φ = 87231441006.

The previous prime is 87231440983. The next prime is 87231441019. The reversal of 87231441007 is 70014413278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87231441007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87231441047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43615720503 + 43615720504.

It is an arithmetic number, because the mean of its divisors is an integer number (43615720504).

Almost surely, 287231441007 is an apocalyptic number.

87231441007 is a deficient number, since it is larger than the sum of its proper divisors (1).

87231441007 is an equidigital number, since it uses as much as digits as its factorization.

87231441007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 87231441007 in words is "eighty-seven billion, two hundred thirty-one million, four hundred forty-one thousand, seven".