Search a number
-
+
30030221132123 = 2271999493113421
BaseRepresentation
bin1101101001111111101001…
…01010011100000101011011
310221022212020202002100002212
412310333310222130011123
512414003343102211443
6143511405414545335
76216416605645142
oct664776452340533
9127285222070085
1030030221132123
119628821a40a03
12345008436824b
13139aab757a154
1475b682d18759
1537124d033618
hex1b4ff4a9c15b

30030221132123 has 16 divisors (see below), whose sum is σ = 30185970624000. Its totient is φ = 29874686608800.

The previous prime is 30030221132113. The next prime is 30030221132147. The reversal of 30030221132123 is 32123112203003.

It is a cyclic number.

It is not a de Polignac number, because 30030221132123 - 232 = 30025926164827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30030221132113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237547953 + ... + 2237561373.

It is an arithmetic number, because the mean of its divisors is an integer number (1886623164000).

Almost surely, 230030221132123 is an apocalyptic number.

30030221132123 is a deficient number, since it is larger than the sum of its proper divisors (155749491877).

30030221132123 is a wasteful number, since it uses less digits than its factorization.

30030221132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30030221132123 its reverse (32123112203003), we get a palindrome (62153333335126).

The spelling of 30030221132123 in words is "thirty trillion, thirty billion, two hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 227 1999 4931 13421 453773 1119337 3046567 9857069 26828579 66178951 2237554663 6090087433 15022621877 132291723049 30030221132123