Base | Representation |
---|---|
bin | 11101110110110101111011… |
… | …000101101100100000100000 |
3 | 122012221022111001002011201002 |
4 | 131312311323011230200200 |
5 | 114202404140124344300 |
6 | 1143135540203331132 |
7 | 36441662153514140 |
oct | 3566657305544040 |
9 | 565838431064632 |
10 | 131312100231200 |
11 | 38927170310199 |
12 | 128891b8820aa8 |
13 | 58368a7508c35 |
14 | 245d77a7b6920 |
15 | 102aae093c5d5 |
hex | 776d7b16c820 |
131312100231200 has 72 divisors (see below), whose sum is σ = 366360759660672. Its totient is φ = 45021291505920.
The previous prime is 131312100231149. The next prime is 131312100231229. The reversal of 131312100231200 is 2132001213131.
It is a happy number.
131312100231200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11724289064 + ... + 11724300263.
It is an arithmetic number, because the mean of its divisors is an integer number (5088343884176).
Almost surely, 2131312100231200 is an apocalyptic number.
131312100231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131312100231200 is an abundant number, since it is smaller than the sum of its proper divisors (235048659429472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131312100231200 is a wasteful number, since it uses less digits than its factorization.
131312100231200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23448589354 (or 23448589341 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131312100231200 its reverse (2132001213131), we get a palindrome (133444101444331).
The spelling of 131312100231200 in words is "one hundred thirty-one trillion, three hundred twelve billion, one hundred million, two hundred thirty-one thousand, two hundred".
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