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331013303012 = 22729407651851
BaseRepresentation
bin1001101000100011110…
…11100010101011100100
31011122101212221001112102
410310101323202223210
520410403401144022
6412022043511232
732625550436360
oct4642173425344
91148355831472
10331013303012
1111842241a937
125419b828518
13252a310ac92
1412041d9c2a0
158925245a92
hex4d11ee2ae4

331013303012 has 24 divisors (see below), whose sum is σ = 684855111360. Its totient is φ = 136971021600.

The previous prime is 331013303011. The next prime is 331013303059. The reversal of 331013303012 is 210303310133.

It is not an unprimeable number, because it can be changed into a prime (331013303011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203825114 + ... + 203826737.

It is an arithmetic number, because the mean of its divisors is an integer number (28535629640).

Almost surely, 2331013303012 is an apocalyptic number.

It is an amenable number.

331013303012 is an abundant number, since it is smaller than the sum of its proper divisors (353841808348).

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

331013303012 is a wasteful number, since it uses less digits than its factorization.

331013303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407651891 (or 407651889 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 331013303012 its reverse (210303310133), we get a palindrome (541316613145).

The spelling of 331013303012 in words is "three hundred thirty-one billion, thirteen million, three hundred three thousand, twelve".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 407651851 815303702 1630607404 2853562957 5707125914 11414251828 11821903679 23643807358 47287614716 82753325753 165506651506 331013303012