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30033021320 = 2353023248371
BaseRepresentation
bin11011111110000110…
…111000100110001000
32212112001102120002222
4123332012320212020
5443001423140240
621444051513212
72112150316631
oct337606704610
985461376088
1030033021320
1111811948485
1259a1bb8808
132aa8187343
14164c9a2888
15bab99ceb5
hex6fe1b8988

30033021320 has 32 divisors (see below), whose sum is σ = 67596923520. Its totient is φ = 12009186240.

The previous prime is 30033021269. The next prime is 30033021329. The reversal of 30033021320 is 2312033003.

It is not an unprimeable number, because it can be changed into a prime (30033021329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3266 + ... + 245105.

It is an arithmetic number, because the mean of its divisors is an integer number (2112403860).

Almost surely, 230033021320 is an apocalyptic number.

It is an amenable number.

30033021320 is an abundant number, since it is smaller than the sum of its proper divisors (37563902200).

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

30033021320 is a wasteful number, since it uses less digits than its factorization.

30033021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251405 (or 251401 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30033021320 its reverse (2312033003), we get a palindrome (32345054323).

The spelling of 30033021320 in words is "thirty billion, thirty-three million, twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3023 6046 12092 15115 24184 30230 60460 120920 248371 496742 993484 1241855 1986968 2483710 4967420 9934840 750825533 1501651066 3003302132 3754127665 6006604264 7508255330 15016510660 30033021320