Base | Representation |
---|---|
bin | 101111100111111010… |
… | …0011110001110111100 |
3 | 100202222102201100100212 |
4 | 1133033310132032330 |
5 | 3133422321334334 |
6 | 114552124011552 |
7 | 10250240123600 |
oct | 1371764361674 |
9 | 322872640325 |
10 | 102270886844 |
11 | 3a411281a95 |
12 | 179a2390bb8 |
13 | 984b130479 |
14 | 4d428b1500 |
15 | 29d87a9ece |
hex | 17cfd1e3bc |
102270886844 has 72 divisors (see below), whose sum is σ = 209627832960. Its totient is φ = 43529270400.
The previous prime is 102270886843. The next prime is 102270886871. The reversal of 102270886844 is 448688072201.
It is a junction number, because it is equal to n+sod(n) for n = 102270886792 and 102270886801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102270886841) 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, 35155262 + ... + 35158170.
It is an arithmetic number, because the mean of its divisors is an integer number (2911497680).
Almost surely, 2102270886844 is an apocalyptic number.
102270886844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102270886844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104813916480).
102270886844 is an abundant number, since it is smaller than the sum of its proper divisors (107356946116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102270886844 is a wasteful number, since it uses less digits than its factorization.
102270886844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4099 (or 4090 counting only the distinct ones).
The product of its (nonzero) digits is 1376256, while the sum is 50.
The spelling of 102270886844 in words is "one hundred two billion, two hundred seventy million, eight hundred eighty-six thousand, eight hundred forty-four".
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