Base | Representation |
---|---|
bin | 11101110101011001000111… |
… | …000111101110101001011010 |
3 | 122012120210020211111020102200 |
4 | 131311121013013232221122 |
5 | 114144241041142214320 |
6 | 1143022055322511030 |
7 | 36431533453422123 |
oct | 3565310707565132 |
9 | 565523224436380 |
10 | 131212444101210 |
11 | 38898980aa278a |
12 | 12871a26065476 |
13 | 582a385017494 |
14 | 2458a052a904a |
15 | 102820b9ca290 |
hex | 7756471eea5a |
131212444101210 has 96 divisors (see below), whose sum is σ = 359148164319360. Its totient is φ = 33144675617664.
The previous prime is 131212444101199. The next prime is 131212444101253. The reversal of 131212444101210 is 12101444212131.
131212444101210 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 2 + 4 + 441 + 0 + 1 + 210 = 666.
131212444101210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10892827 + ... + 19521233.
It is an arithmetic number, because the mean of its divisors is an integer number (3741126711660).
Almost surely, 2131212444101210 is an apocalyptic number.
131212444101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131212444101210 is an abundant number, since it is smaller than the sum of its proper divisors (227935720218150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131212444101210 is a wasteful number, since it uses less digits than its factorization.
131212444101210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8637332 (or 8637329 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
Adding to 131212444101210 its reverse (12101444212131), we get a palindrome (143313888313341).
The spelling of 131212444101210 in words is "one hundred thirty-one trillion, two hundred twelve billion, four hundred forty-four million, one hundred one thousand, two hundred ten".
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