Base | Representation |
---|---|
bin | 101111101011110001… |
… | …0001001010010111100 |
3 | 100210022110020020010212 |
4 | 1133113202021102330 |
5 | 3134203434101340 |
6 | 115013025451552 |
7 | 10253401122221 |
oct | 1372742112274 |
9 | 323273206125 |
10 | 102400300220 |
11 | 3a478333199 |
12 | 17a197a0bb8 |
13 | 986bba1c2a |
14 | 4d55b5b948 |
15 | 29e4d1ea65 |
hex | 17d78894bc |
102400300220 has 12 divisors (see below), whose sum is σ = 215040630504. Its totient is φ = 40960120080.
The previous prime is 102400300217. The next prime is 102400300337. The reversal of 102400300220 is 22003004201.
It is a super-2 number, since 2×1024003002202 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102400300195 and 102400300204.
It is a congruent number.
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, 2560007486 + ... + 2560007525.
It is an arithmetic number, because the mean of its divisors is an integer number (17920052542).
Almost surely, 2102400300220 is an apocalyptic number.
102400300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102400300220 is an abundant number, since it is smaller than the sum of its proper divisors (112640330284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102400300220 is a wasteful number, since it uses less digits than its factorization.
102400300220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5120015020 (or 5120015018 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 102400300220 its reverse (22003004201), we get a palindrome (124403304421).
The spelling of 102400300220 in words is "one hundred two billion, four hundred million, three hundred thousand, two hundred twenty".
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