Base | Representation |
---|---|
bin | 11101110100000100111001… |
… | …011111101111010011100010 |
3 | 122012021010212002211222110010 |
4 | 131310010321133233103202 |
5 | 114141300344411413442 |
6 | 1142512342554145350 |
7 | 36422152630435530 |
oct | 3564047137572342 |
9 | 565233762758403 |
10 | 131122021201122 |
11 | 3886359a695596 |
12 | 128583ab722256 |
13 | 58219a46c6483 |
14 | 24544a8165150 |
15 | 1025bb8464b9c |
hex | 7741397ef4e2 |
131122021201122 has 32 divisors (see below), whose sum is σ = 299708431948800. Its totient is φ = 37463315264208.
The previous prime is 131122021201103. The next prime is 131122021201141. The reversal of 131122021201122 is 221102120221131.
It is an interprime number because it is at equal distance from previous prime (131122021201103) and next prime (131122021201141).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8815129 + ... + 18437747.
It is an arithmetic number, because the mean of its divisors is an integer number (9365888498400).
Almost surely, 2131122021201122 is an apocalyptic number.
131122021201122 is an abundant number, since it is smaller than the sum of its proper divisors (168586410747678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131122021201122 is a wasteful number, since it uses less digits than its factorization.
131122021201122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9947070.
The product of its (nonzero) digits is 192, while the sum is 21.
Adding to 131122021201122 its reverse (221102120221131), we get a palindrome (352224141422253).
The spelling of 131122021201122 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, twenty-one million, two hundred one thousand, one hundred twenty-two".
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