Search a number
-
+
102430423321 = 181619914239
BaseRepresentation
bin101111101100101010…
…1000011100100011001
3100210101112220122021021
41133121111003210121
53134234142021241
6115020023242441
710254215142532
oct1373125034431
9323345818237
10102430423321
113a493338116
1217a278a9421
1398751bac55
144d59b5d689
1529e77c00d1
hex17d9543919

102430423321 has 8 divisors (see below), whose sum is σ = 103162841600. Its totient is φ = 101699835120.

The previous prime is 102430423301. The next prime is 102430423331. The reversal of 102430423321 is 123324034201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102430423321 - 211 = 102430421273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102430423301) 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 in 7 ways as a sum of consecutive naturals, for example, 345081 + ... + 569158.

It is an arithmetic number, because the mean of its divisors is an integer number (12895355200).

Almost surely, 2102430423321 is an apocalyptic number.

It is an amenable number.

102430423321 is a deficient number, since it is larger than the sum of its proper divisors (732418279).

102430423321 is an equidigital number, since it uses as much as digits as its factorization.

102430423321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915039.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 102430423321 its reverse (123324034201), we get a palindrome (225754457522).

The spelling of 102430423321 in words is "one hundred two billion, four hundred thirty million, four hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 181 619 112039 914239 165477259 565913941 102430423321