Base | Representation |
---|---|
bin | 10111011100010101011010… |
… | …110010110110101101100100 |
3 | 111112001110211111210102201211 |
4 | 113130111122302312231210 |
5 | 102003211313041034340 |
6 | 1003140300342201204 |
7 | 30500613646351003 |
oct | 2734253262665544 |
9 | 445043744712654 |
10 | 103102213221220 |
11 | 2a9404485488a4 |
12 | b691a96723204 |
13 | 456b65cb65a25 |
14 | 1b66260a88c3a |
15 | bdbdd26cc5ea |
hex | 5dc55acb6b64 |
103102213221220 has 12 divisors (see below), whose sum is σ = 216514647764604. Its totient is φ = 41240885288480.
The previous prime is 103102213221199. The next prime is 103102213221239. The reversal of 103102213221220 is 22122312201301.
It can be written as a sum of positive squares in 2 ways, for example, as 37117654565476 + 65984558655744 = 6092426^2 + 8123088^2 .
It is a super-2 number, since 2×1031022132212202 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103102213221191 and 103102213221200.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2577555330511 + ... + 2577555330550.
It is an arithmetic number, because the mean of its divisors is an integer number (18042887313717).
Almost surely, 2103102213221220 is an apocalyptic number.
103102213221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103102213221220 is an abundant number, since it is smaller than the sum of its proper divisors (113412434543384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103102213221220 is a wasteful number, since it uses less digits than its factorization.
103102213221220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5155110661070 (or 5155110661068 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 103102213221220 its reverse (22122312201301), we get a palindrome (125224525422521).
The spelling of 103102213221220 in words is "one hundred three trillion, one hundred two billion, two hundred thirteen million, two hundred twenty-one thousand, two hundred twenty".
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