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120330231312 = 2432519987569
BaseRepresentation
bin111000000010000111…
…1011001111000010000
3102111121000120002200210
41300010033121320100
53432414014400222
6131140130244120
711456616042624
oct1600417317020
9374530502623
10120330231312
1147039307865
121b3a2426640
13b46873b505
145b77149184
1531e3e86d0c
hex1c043d9e10

120330231312 has 40 divisors (see below), whose sum is σ = 312091587360. Its totient is φ = 39950272000.

The previous prime is 120330231257. The next prime is 120330231391. The reversal of 120330231312 is 213132033021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4981737 + ... + 5005832.

It is an arithmetic number, because the mean of its divisors is an integer number (7802289684).

Almost surely, 2120330231312 is an apocalyptic number.

120330231312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120330231312 is an abundant number, since it is smaller than the sum of its proper divisors (191761356048).

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

120330231312 is a wasteful number, since it uses less digits than its factorization.

120330231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9987831 (or 9987825 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120330231312 its reverse (213132033021), we get a palindrome (333462264333).

The spelling of 120330231312 in words is "one hundred twenty billion, three hundred thirty million, two hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 251 502 753 1004 1506 2008 3012 4016 6024 12048 9987569 19975138 29962707 39950276 59925414 79900552 119850828 159801104 239701656 479403312 2506879819 5013759638 7520639457 10027519276 15041278914 20055038552 30082557828 40110077104 60165115656 120330231312