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30522322121 = 174124432411
BaseRepresentation
bin11100011011010001…
…011010110011001001
32220210011010121121212
4130123101122303021
51000002203301441
622004411142505
72130241312604
oct343321326311
986704117555
1030522322121
1111a43067405
125ab9a44a35
132b55664545
14169797133b
15bd9900eeb
hex71b45acc9

30522322121 has 24 divisors (see below), whose sum is σ = 33213760992. Its totient is φ = 27951372800.

The previous prime is 30522322093. The next prime is 30522322141. The reversal of 30522322121 is 12122322503.

It is not a de Polignac number, because 30522322121 - 230 = 29448580297 is a prime.

It is a super-2 number, since 2×305223221212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30522322141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12658406 + ... + 12660816.

It is an arithmetic number, because the mean of its divisors is an integer number (1383906708).

Almost surely, 230522322121 is an apocalyptic number.

It is an amenable number.

30522322121 is a deficient number, since it is larger than the sum of its proper divisors (2691438871).

30522322121 is a wasteful number, since it uses less digits than its factorization.

30522322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 30522322121 its reverse (12122322503), we get a palindrome (42644644624).

The spelling of 30522322121 in words is "thirty billion, five hundred twenty-two million, three hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 17 41 443 697 1681 2411 7531 18163 28577 40987 98851 308771 744683 1068073 1680467 4052891 12659611 18157241 43790993 68899147 744446881 1795430713 30522322121