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30212141121 = 3233231010203
BaseRepresentation
bin11100001000110010…
…001011000001000001
32212222112110210021200
4130020302023001001
5443333302003441
621513531011413
72116453651041
oct341062130101
985875423250
1030212141121
11118a3a69878
125a31b99b69
132b063106a6
1416686ab721
15bbc5807b6
hex708c8b041

30212141121 has 12 divisors (see below), whose sum is σ = 43652935248. Its totient is φ = 20135346264.

The previous prime is 30212141077. The next prime is 30212141123. The reversal of 30212141121 is 12114121203.

It is not a de Polignac number, because 30212141121 - 231 = 28064657473 is a prime.

It is a super-2 number, since 2×302121411212 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212141094 and 30212141103.

It is not an unprimeable number, because it can be changed into a prime (30212141123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475195 + ... + 535008.

It is an arithmetic number, because the mean of its divisors is an integer number (3637744604).

Almost surely, 230212141121 is an apocalyptic number.

It is an amenable number.

30212141121 is a deficient number, since it is larger than the sum of its proper divisors (13440794127).

30212141121 is a wasteful number, since it uses less digits than its factorization.

30212141121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013532 (or 1013529 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 30212141121 its reverse (12114121203), we get a palindrome (42326262324).

The spelling of 30212141121 in words is "thirty billion, two hundred twelve million, one hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 3 9 3323 9969 29907 1010203 3030609 9091827 3356904569 10070713707 30212141121