Base | Representation |
---|---|
bin | 111000111010011100… |
… | …0110000100000110001 |
3 | 102200110201201101202022 |
4 | 1301310320300200301 |
5 | 4000301322320423 |
6 | 132051441201225 |
7 | 11554504610540 |
oct | 1616470604061 |
9 | 380421641668 |
10 | 122220120113 |
11 | 47919087233 |
12 | 1b82b330215 |
13 | b6aa141a00 |
14 | 5cb6140157 |
15 | 32a4d48dc8 |
hex | 1c74e30831 |
122220120113 has 24 divisors (see below), whose sum is σ = 151369436736. Its totient is φ = 96626088000.
The previous prime is 122220120107. The next prime is 122220120137. The reversal of 122220120113 is 311021022221.
It is not a de Polignac number, because 122220120113 - 216 = 122220054577 is a prime.
It is a super-2 number, since 2×1222201201132 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122220120091 and 122220120100.
It is not an unprimeable number, because it can be changed into a prime (122220120193) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1499378 + ... + 1578788.
It is an arithmetic number, because the mean of its divisors is an integer number (6307059864).
Almost surely, 2122220120113 is an apocalyptic number.
122220120113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
122220120113 is a deficient number, since it is larger than the sum of its proper divisors (29149316623).
122220120113 is a wasteful number, since it uses less digits than its factorization.
122220120113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80745 (or 80732 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 122220120113 its reverse (311021022221), we get a palindrome (433241142334).
The spelling of 122220120113 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred thirteen".
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