Base | Representation |
---|---|
bin | 11011110010101100100101… |
… | …011011011000110001100100 |
3 | 121000210011211200012201001220 |
4 | 123302230211123120301210 |
5 | 112010113244131310340 |
6 | 1111544105420220340 |
7 | 34513622442116550 |
oct | 3362544533306144 |
9 | 530704750181056 |
10 | 122231102213220 |
11 | 35a45a12706340 |
12 | 1186125899a6b0 |
13 | 532846081c470 |
14 | 22280345a2860 |
15 | e1e7a1352ed0 |
hex | 6f2b256d8c64 |
122231102213220 has 384 divisors, whose sum is σ = 471940046548992. Its totient is φ = 22811279616000.
The previous prime is 122231102213197. The next prime is 122231102213267. The reversal of 122231102213220 is 22312201132221.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25279806 + ... + 29724245.
It is an arithmetic number, because the mean of its divisors is an integer number (1229010537888).
Almost surely, 2122231102213220 is an apocalyptic number.
122231102213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122231102213220 is an abundant number, since it is smaller than the sum of its proper divisors (349708944335772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122231102213220 is a wasteful number, since it uses less digits than its factorization.
122231102213220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55004131 (or 55004129 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 122231102213220 its reverse (22312201132221), we get a palindrome (144543303345441).
The spelling of 122231102213220 in words is "one hundred twenty-two trillion, two hundred thirty-one billion, one hundred two million, two hundred thirteen thousand, two hundred twenty".
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