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30023213232 = 243625483609
BaseRepresentation
bin11011111101100001…
…011110000010110000
32212111100222020221110
4123331201132002300
5442441420310412
621443101353320
72112001046625
oct337541360260
985440866843
1030023213232
1111807359521
12599a868840
132aa6131c3c
14164b56c34c
15baabb1d3c
hex6fd85e0b0

30023213232 has 20 divisors (see below), whose sum is σ = 77559967640. Its totient is φ = 10007737728.

The previous prime is 30023213201. The next prime is 30023213249. The reversal of 30023213232 is 23231232003.

It is a junction number, because it is equal to n+sod(n) for n = 30023213199 and 30023213208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312741757 + ... + 312741852.

It is an arithmetic number, because the mean of its divisors is an integer number (3877998382).

Almost surely, 230023213232 is an apocalyptic number.

It is an amenable number.

30023213232 is an abundant number, since it is smaller than the sum of its proper divisors (47536754408).

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

30023213232 is a wasteful number, since it uses less digits than its factorization.

30023213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625483620 (or 625483614 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30023213232 its reverse (23231232003), we get a palindrome (53254445235).

The spelling of 30023213232 in words is "thirty billion, twenty-three million, two hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 625483609 1250967218 1876450827 2501934436 3752901654 5003868872 7505803308 10007737744 15011606616 30023213232