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30032020033121 = 1722777477100447
BaseRepresentation
bin1101101010000010111111…
…11000101100111001100001
310221100000220010000222100202
412311001133320230321201
512414021034112024441
6143512304115354545
76216512311234361
oct665013770547141
9127300803028322
1030032020033121
119629565414947
1234504a68b2a55
13139b013173c02
1475b7b3bc69a1
15371305e2119b
hex1b505fe2ce61

30032020033121 has 16 divisors (see below), whose sum is σ = 31939421630976. Its totient is φ = 28140269934336.

The previous prime is 30032020033111. The next prime is 30032020033129. The reversal of 30032020033121 is 12133002023003.

It is a cyclic number.

It is not a de Polignac number, because 30032020033121 - 210 = 30032020032097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30032020033093 and 30032020033102.

It is not an unprimeable number, because it can be changed into a prime (30032020033129) 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, 298933520 + ... + 299033966.

It is an arithmetic number, because the mean of its divisors is an integer number (1996213851936).

Almost surely, 230032020033121 is an apocalyptic number.

It is an amenable number.

30032020033121 is a deficient number, since it is larger than the sum of its proper divisors (1907401597855).

30032020033121 is a wasteful number, since it uses less digits than its factorization.

30032020033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178168.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30032020033121 its reverse (12133002023003), we get a palindrome (42165022056124).

The spelling of 30032020033121 in words is "thirty trillion, thirty-two billion, twenty million, thirty-three thousand, one hundred twenty-one".

Divisors: 1 17 227 3859 77477 100447 1317109 1707599 17587279 22801469 298983743 387624973 7782332219 132299647723 1766589413713 30032020033121