Search a number
-
+
30201031322121 = 3112573561022441
BaseRepresentation
bin1101101110111101110011…
…01111100110101000001001
310221221012010210121000222010
412313132321233212220021
512424303203004301441
6144122055014050133
76234644465420232
oct667367157465011
9127835123530863
1030201031322121
119694204929890
1234791b4349949
1313b0c393142aa
14765a48410089
153758e8a6a116
hex1b77b9be6a09

30201031322121 has 16 divisors (see below), whose sum is σ = 44099701921728. Its totient is φ = 18232434892800.

The previous prime is 30201031322053. The next prime is 30201031322183. The reversal of 30201031322121 is 12122313010203.

It is not a de Polignac number, because 30201031322121 - 218 = 30201031059977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30201031322221) 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, 1780502740 + ... + 1780519701.

It is an arithmetic number, because the mean of its divisors is an integer number (2756231370108).

Almost surely, 230201031322121 is an apocalyptic number.

It is an amenable number.

30201031322121 is a deficient number, since it is larger than the sum of its proper divisors (13898670599607).

30201031322121 is a wasteful number, since it uses less digits than its factorization.

30201031322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561022712.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30201031322121 its reverse (12122313010203), we get a palindrome (42323344332324).

The spelling of 30201031322121 in words is "thirty trillion, two hundred one billion, thirty-one million, three hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 11 33 257 771 2827 8481 3561022441 10683067323 39171246851 117513740553 915182767337 2745548302011 10067010440707 30201031322121