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30212132120 = 2351109681067
BaseRepresentation
bin11100001000110010…
…001000110100011000
32212222112110022221022
4130020302020310120
5443333301211440
621513530502012
72116453612562
oct341062106430
985875408838
1030212132120
11118a3a63035
125a31b94908
132b06309571
1416686a8332
15bbc57ccb5
hex708c88d18

30212132120 has 32 divisors (see below), whose sum is σ = 68038693200. Its totient is φ = 12073938048.

The previous prime is 30212132081. The next prime is 30212132173. The reversal of 30212132120 is 2123121203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296174 + ... + 384893.

Almost surely, 230212132120 is an apocalyptic number.

It is an amenable number.

30212132120 is an abundant number, since it is smaller than the sum of its proper divisors (37826561080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30212132120 is a wasteful number, since it uses less digits than its factorization.

30212132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682187 (or 682183 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30212132120 its reverse (2123121203), we get a palindrome (32335253323).

The spelling of 30212132120 in words is "thirty billion, two hundred twelve million, one hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1109 2218 4436 5545 8872 11090 22180 44360 681067 1362134 2724268 3405335 5448536 6810670 13621340 27242680 755303303 1510606606 3021213212 3776516515 6042426424 7553033030 15106066060 30212132120