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30212133233 = 3134910512657
BaseRepresentation
bin11100001000110010…
…001001000101110001
32212222112110101110112
4130020302021011301
5443333301230413
621513530511105
72116453616042
oct341062110561
985875411415
1030212133233
11118a3a63957
125a31b95495
132b06309c19
1416686a88c9
15bbc57d2a8
hex708c89171

30212133233 has 16 divisors (see below), whose sum is σ = 31317619200. Its totient is φ = 29115072000.

The previous prime is 30212133199. The next prime is 30212133307. The reversal of 30212133233 is 33233121203.

It is a cyclic number.

It is not a de Polignac number, because 30212133233 - 26 = 30212133169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212133199 and 30212133208.

It is not an unprimeable number, because it can be changed into a prime (30212138233) 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, 11369441 + ... + 11372097.

It is an arithmetic number, because the mean of its divisors is an integer number (1957351200).

Almost surely, 230212133233 is an apocalyptic number.

It is an amenable number.

30212133233 is a deficient number, since it is larger than the sum of its proper divisors (1105485967).

30212133233 is a wasteful number, since it uses less digits than its factorization.

30212133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30212133233 its reverse (33233121203), we get a palindrome (63445254436).

The spelling of 30212133233 in words is "thirty billion, two hundred twelve million, one hundred thirty-three thousand, two hundred thirty-three".

Divisors: 1 31 349 1051 2657 10819 32581 82367 366799 927293 2792507 11370769 28746083 86567717 974584943 30212133233