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30232143212 = 227558035803
BaseRepresentation
bin11100001001111110…
…011110010101101100
32220000221002222222212
4130021332132111230
5443403412040322
621515523425552
72120115656135
oct341176362554
986027088885
1030232143212
1111904290727
125a388252b8
132b0a4c4a4b
14166b1d6c8c
15bbe1d20e2
hex709f9e56c

30232143212 has 6 divisors (see below), whose sum is σ = 52906250628. Its totient is φ = 15116071604.

The previous prime is 30232143209. The next prime is 30232143233. The reversal of 30232143212 is 21234123203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3779017898 + ... + 3779017905.

It is an arithmetic number, because the mean of its divisors is an integer number (8817708438).

Almost surely, 230232143212 is an apocalyptic number.

It is an amenable number.

30232143212 is a deficient number, since it is larger than the sum of its proper divisors (22674107416).

30232143212 is a wasteful number, since it uses less digits than its factorization.

30232143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558035807 (or 7558035805 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30232143212 its reverse (21234123203), we get a palindrome (51466266415).

The spelling of 30232143212 in words is "thirty billion, two hundred thirty-two million, one hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 4 7558035803 15116071606 30232143212