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1320030033012 = 2232111773280621
BaseRepresentation
bin10011001101010111111…
…010111101010001110100
311200012020011101120000200
4103031113322331101310
5133111410142024022
62450225144440500
7164240401102155
oct23152772752164
94605204346020
101320030033012
114699045a4489
121939b7479130
139762aa89092
1447c6584b92c
152450c624bac
hex13357ebd474

1320030033012 has 36 divisors (see below), whose sum is σ = 3337042137156. Its totient is φ = 439970509440.

The previous prime is 1320030032957. The next prime is 1320030033017. The reversal of 1320030033012 is 2103300300231.

1320030033012 is a `hidden beast` number, since 1 + 3 + 20 + 0 + 300 + 330 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1269326702736 + 50703330276 = 1126644^2 + 225174^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320030033017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237939 + ... + 2042682.

It is an arithmetic number, because the mean of its divisors is an integer number (92695614921).

Almost surely, 21320030033012 is an apocalyptic number.

1320030033012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320030033012 is an abundant number, since it is smaller than the sum of its proper divisors (2017012104144).

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

1320030033012 is a wasteful number, since it uses less digits than its factorization.

1320030033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291808 (or 3291803 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1320030033012 its reverse (2103300300231), we get a palindrome (3423330333243).

The spelling of 1320030033012 in words is "one trillion, three hundred twenty billion, thirty million, thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 11177 22354 33531 44708 67062 100593 134124 201186 402372 3280621 6561242 9841863 13122484 19683726 29525589 39367452 59051178 118102356 36667500917 73335001834 110002502751 146670003668 220005005502 330007508253 440010011004 660015016506 1320030033012