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30004400212 = 227501100053
BaseRepresentation
bin11011111100011001…
…101101000001010100
32212110001120110022221
4123330121231001110
5442422111301322
621441150232124
72111352123313
oct337431550124
985401513287
1030004400212
11117a7779a76
1259944b5644
132aa2275b87
141648c7227a
15ba91e79c7
hex6fc66d054

30004400212 has 6 divisors (see below), whose sum is σ = 52507700378. Its totient is φ = 15002200104.

The previous prime is 30004400203. The next prime is 30004400273. The reversal of 30004400212 is 21200440003.

It can be written as a sum of positive squares in only one way, i.e., 29983000336 + 21399876 = 173156^2 + 4626^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3750550023 + ... + 3750550030.

Almost surely, 230004400212 is an apocalyptic number.

It is an amenable number.

30004400212 is a deficient number, since it is larger than the sum of its proper divisors (22503300166).

30004400212 is a wasteful number, since it uses less digits than its factorization.

30004400212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501100057 (or 7501100055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 30004400212 its reverse (21200440003), we get a palindrome (51204840215).

The spelling of 30004400212 in words is "thirty billion, four million, four hundred thousand, two hundred twelve".

Divisors: 1 2 4 7501100053 15002200106 30004400212