Search a number
-
+
30842861383 is a prime number
BaseRepresentation
bin11100101110011000…
…001011011101000111
32221121111021200211101
4130232120023131013
51001131233031013
622100301320531
72141212665445
oct345630133507
987544250741
1030842861383
1112097a9a294
125b89266147
132ba6ba4049
1416c836db95
15c07b1a8dd
hex72e60b747

30842861383 has 2 divisors, whose sum is σ = 30842861384. Its totient is φ = 30842861382.

The previous prime is 30842861381. The next prime is 30842861407. The reversal of 30842861383 is 38316824803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30842861383 - 21 = 30842861381 is a prime.

Together with 30842861381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30842861381) 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, 15421430691 + 15421430692.

It is an arithmetic number, because the mean of its divisors is an integer number (15421430692).

Almost surely, 230842861383 is an apocalyptic number.

30842861383 is a deficient number, since it is larger than the sum of its proper divisors (1).

30842861383 is an equidigital number, since it uses as much as digits as its factorization.

30842861383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 30842861383 in words is "thirty billion, eight hundred forty-two million, eight hundred sixty-one thousand, three hundred eighty-three".