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30032121332 = 227508030333
BaseRepresentation
bin11011111110000011…
…011100110111110100
32212111222201211120002
4123332003130313310
5443001210340312
621444020330432
72112136551023
oct337603346764
985458654502
1030032121332
1111811393294
1259a1843a18
132aa7c307c5
14164c80a8ba
15bab8714c2
hex6fe0dcdf4

30032121332 has 6 divisors (see below), whose sum is σ = 52556212338. Its totient is φ = 15016060664.

The previous prime is 30032121323. The next prime is 30032121367. The reversal of 30032121332 is 23312123003.

It can be written as a sum of positive squares in only one way, i.e., 25771165156 + 4260956176 = 160534^2 + 65276^2 .

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, 3754015163 + ... + 3754015170.

It is an arithmetic number, because the mean of its divisors is an integer number (8759368723).

Almost surely, 230032121332 is an apocalyptic number.

It is an amenable number.

30032121332 is a deficient number, since it is larger than the sum of its proper divisors (22524091006).

30032121332 is a wasteful number, since it uses less digits than its factorization.

30032121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508030337 (or 7508030335 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30032121332 its reverse (23312123003), we get a palindrome (53344244335).

The spelling of 30032121332 in words is "thirty billion, thirty-two million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7508030333 15016060666 30032121332