Base | Representation |
---|---|
bin | 1011111011101111100111… |
… | …0000010000110000001110 |
3 | 1201110100122110112202200000 |
4 | 2332323321300100300032 |
5 | 3204433322144102202 |
6 | 43523414041345130 |
7 | 2522651054234265 |
oct | 276737160206016 |
9 | 51410573482600 |
10 | 13121020300302 |
11 | 41a9658993602 |
12 | 157ab371981a6 |
13 | 7423cb369975 |
14 | 3350bca815dc |
15 | 17b493ecd91c |
hex | beef9c10c0e |
13121020300302 has 24 divisors (see below), whose sum is σ = 29481798700536. Its totient is φ = 4373673433272.
The previous prime is 13121020300229. The next prime is 13121020300303. The reversal of 13121020300302 is 20300302012131.
13121020300302 is a `hidden beast` number, since 1 + 31 + 2 + 10 + 20 + 300 + 302 = 666.
It is a super-2 number, since 2×131210203003022 (a number of 27 digits) contains 22 as substring.
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 (13121020300303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13498991593 + ... + 13498992564.
It is an arithmetic number, because the mean of its divisors is an integer number (1228408279189).
Almost surely, 213121020300302 is an apocalyptic number.
13121020300302 is an abundant number, since it is smaller than the sum of its proper divisors (16360778400234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13121020300302 is an equidigital number, since it uses as much as digits as its factorization.
13121020300302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26997984174 (or 26997984162 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13121020300302 its reverse (20300302012131), we get a palindrome (33421322312433).
The spelling of 13121020300302 in words is "thirteen trillion, one hundred twenty-one billion, twenty million, three hundred thousand, three hundred two".
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