Base | Representation |
---|---|
bin | 1011110101111100001000… |
… | …0010001010001101110100 |
3 | 1201002211020212111122002102 |
4 | 2331133002002022031310 |
5 | 3201320111103021322 |
6 | 43405523031401232 |
7 | 2512520661110255 |
oct | 275370202121564 |
9 | 51084225448072 |
10 | 13021301220212 |
11 | 417033708a81a |
12 | 1563747523218 |
13 | 735b98b0752c |
14 | 33033d068b2c |
15 | 178aa9784792 |
hex | bd7c208a374 |
13021301220212 has 12 divisors (see below), whose sum is σ = 22787303426916. Its totient is φ = 6510643098240.
The previous prime is 13021301220163. The next prime is 13021301220271. The reversal of 13021301220212 is 21202210312031.
It can be written as a sum of positive squares in 2 ways, for example, as 451468423396 + 12569832796816 = 671914^2 + 3545396^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4228412 + ... + 6627372.
It is an arithmetic number, because the mean of its divisors is an integer number (1898941952243).
Almost surely, 213021301220212 is an apocalyptic number.
It is an amenable number.
13021301220212 is a deficient number, since it is larger than the sum of its proper divisors (9766002206704).
13021301220212 is a wasteful number, since it uses less digits than its factorization.
13021301220212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3755938 (or 3755936 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 13021301220212 its reverse (21202210312031), we get a palindrome (34223511532243).
The spelling of 13021301220212 in words is "thirteen trillion, twenty-one billion, three hundred one million, two hundred twenty thousand, two hundred twelve".
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