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13021210330000 = 24541302121033
BaseRepresentation
bin1011110101111011110010…
…0111011100001110010000
31201002211000112110221011021
42331132330213130032100
53201314414321030000
643405510023325224
72512515505416235
oct275367447341620
951084015427137
1013021210330000
11417029a850644
121563720bb0814
13735b83033342
14330330d6978c
15178aa17ce11a
hexbd7bc9dc390

13021210330000 has 50 divisors (see below), whose sum is σ = 31525652354174. Its totient is φ = 5208484128000.

The previous prime is 13021210329979. The next prime is 13021210330039. The reversal of 13021210330000 is 3301212031.

It can be written as a sum of positive squares in 5 ways, for example, as 1878752696976 + 11142457633024 = 1370676^2 + 3338032^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 651050517 + ... + 651070516.

Almost surely, 213021210330000 is an apocalyptic number.

13021210330000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021210330000 is an abundant number, since it is smaller than the sum of its proper divisors (18504442024174).

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

13021210330000 is an equidigital number, since it uses as much as digits as its factorization.

13021210330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302121061 (or 1302121040 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13021210330000 its reverse (3301212031), we get a palindrome (13024511542031).

The spelling of 13021210330000 in words is "thirteen trillion, twenty-one billion, two hundred ten million, three hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 1302121033 2604242066 5208484132 6510605165 10416968264 13021210330 20833936528 26042420660 32553025825 52084841320 65106051650 104169682640 130212103300 162765129125 260424206600 325530258250 520848413200 651060516500 813825645625 1302121033000 1627651291250 2604242066000 3255302582500 6510605165000 13021210330000