Base | Representation |
---|---|
bin | 11101110101100010001101… |
… | …010001100010010110100010 |
3 | 122012121201110111122201021102 |
4 | 131311202031101202112202 |
5 | 114144421042004341002 |
6 | 1143030352421354402 |
7 | 36432330500663525 |
oct | 3565421521422642 |
9 | 565551414581242 |
10 | 131222211012002 |
11 | 388a2033184390 |
12 | 128738b0b68a02 |
13 | 582b280633536 |
14 | 24592904b4bbc |
15 | 10285ce194a02 |
hex | 77588d4625a2 |
131222211012002 has 32 divisors (see below), whose sum is σ = 218249122840704. Its totient is φ = 58668178435200.
The previous prime is 131222211012001. The next prime is 131222211012017. The reversal of 131222211012002 is 200210112222131.
It is not an unprimeable number, because it can be changed into a prime (131222211012001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208577603 + ... + 209205785.
It is an arithmetic number, because the mean of its divisors is an integer number (6820285088772).
Almost surely, 2131222211012002 is an apocalyptic number.
131222211012002 is a deficient number, since it is larger than the sum of its proper divisors (87026911828702).
131222211012002 is a wasteful number, since it uses less digits than its factorization.
131222211012002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 783914.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 131222211012002 its reverse (200210112222131), we get a palindrome (331432323234133).
The spelling of 131222211012002 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, two hundred eleven million, twelve thousand, two".
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