Search a number
-
+
229840644031 is a prime number
BaseRepresentation
bin1101011000001110010…
…0011110011110111111
3210222020222201110120121
43112003210132132333
512231203201102111
6253330510355411
722414444145125
oct3260344363677
9728228643517
10229840644031
1189525062789
12386651bbb67
131889b68a9ab
14b1a52c7915
155ea30c1871
hex358391e7bf

229840644031 has 2 divisors, whose sum is σ = 229840644032. Its totient is φ = 229840644030.

The previous prime is 229840644001. The next prime is 229840644049. The reversal of 229840644031 is 130446048922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229840644031 - 213 = 229840635839 is a prime.

It is a super-2 number, since 2×2298406440312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229840644001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114920322015 + 114920322016.

It is an arithmetic number, because the mean of its divisors is an integer number (114920322016).

Almost surely, 2229840644031 is an apocalyptic number.

229840644031 is a deficient number, since it is larger than the sum of its proper divisors (1).

229840644031 is an equidigital number, since it uses as much as digits as its factorization.

229840644031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 229840644031 in words is "two hundred twenty-nine billion, eight hundred forty million, six hundred forty-four thousand, thirty-one".