Base | Representation |
---|---|
bin | 101111100010111010… |
… | …0000011000001010100 |
3 | 100202112201210222022212 |
4 | 1133011310003001110 |
5 | 3133101332100340 |
6 | 114523325412552 |
7 | 10243131131141 |
oct | 1370564030124 |
9 | 322481728285 |
10 | 102103003220 |
11 | 3a335535599 |
12 | 1795610a158 |
13 | 982240c54a |
14 | 4d2848d3c8 |
15 | 29c8b96a65 |
hex | 17c5d03054 |
102103003220 has 48 divisors (see below), whose sum is σ = 216045688320. Its totient is φ = 40531081344.
The previous prime is 102103003169. The next prime is 102103003279. The reversal of 102103003220 is 22300301201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 102103003195 and 102103003204.
It is a congruent number.
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, 8798462 + ... + 8810058.
It is an arithmetic number, because the mean of its divisors is an integer number (4500951840).
Almost surely, 2102103003220 is an apocalyptic number.
102103003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102103003220 is an abundant number, since it is smaller than the sum of its proper divisors (113942685100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102103003220 is a wasteful number, since it uses less digits than its factorization.
102103003220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14912 (or 14910 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 102103003220 its reverse (22300301201), we get a palindrome (124403304421).
The spelling of 102103003220 in words is "one hundred two billion, one hundred three million, three thousand, two hundred twenty".
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