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320012412330 = 2351322916713033
BaseRepresentation
bin1001010100000100011…
…10011110010110101010
31010121000012210220111210
410222002032132112222
520220341134143310
6403002304333550
732056130423652
oct4520216362652
91117005726453
10320012412330
11113797733946
125202b6142b6
132423bc61100
14116bad39362
1584ce57c820
hex4a8239e5aa

320012412330 has 192 divisors, whose sum is σ = 865549359360. Its totient is φ = 75594774528.

The previous prime is 320012412283. The next prime is 320012412353. The reversal of 320012412330 is 33214210023.

It is a junction number, because it is equal to n+sod(n) for n = 320012412297 and 320012412306.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24547494 + ... + 24560526.

It is an arithmetic number, because the mean of its divisors is an integer number (4508069580).

Almost surely, 2320012412330 is an apocalyptic number.

320012412330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320012412330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432774679680).

320012412330 is an abundant number, since it is smaller than the sum of its proper divisors (545536947030).

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

320012412330 is a wasteful number, since it uses less digits than its factorization.

320012412330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13265 (or 13252 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320012412330 its reverse (33214210023), we get a palindrome (353226622353).

The spelling of 320012412330 in words is "three hundred twenty billion, twelve million, four hundred twelve thousand, three hundred thirty".