Base | Representation |
---|---|
bin | 1011111011110000010111… |
… | …0010011111101000000110 |
3 | 1201110101011112110221120211 |
4 | 2332330011302133220012 |
5 | 3204434230341241402 |
6 | 43523450053150034 |
7 | 2522656055403364 |
oct | 276740562375006 |
9 | 51411145427524 |
10 | 13121222212102 |
11 | 41a9751961964 |
12 | 157ab9292b31a |
13 | 7424311431c4 |
14 | 3350db800634 |
15 | 17b4a6ab44d7 |
hex | bef05c9fa06 |
13121222212102 has 8 divisors (see below), whose sum is σ = 19683824831496. Its totient is φ = 6559947268272.
The previous prime is 13121222212081. The next prime is 13121222212103. The reversal of 13121222212102 is 20121222212131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13121222212103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331894183 + ... + 331933714.
It is an arithmetic number, because the mean of its divisors is an integer number (2460478103937).
Almost surely, 213121222212102 is an apocalyptic number.
13121222212102 is a deficient number, since it is larger than the sum of its proper divisors (6562602619394).
13121222212102 is an equidigital number, since it uses as much as digits as its factorization.
13121222212102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663837782.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 13121222212102 its reverse (20121222212131), we get a palindrome (33242444424233).
The spelling of 13121222212102 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred two".
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