Base | Representation |
---|---|
bin | 101111000101000011… |
… | …0011110011101000100 |
3 | 100122221220202011100002 |
4 | 1132022012132131010 |
5 | 3124023401414340 |
6 | 114240101340432 |
7 | 10206245013455 |
oct | 1361206363504 |
9 | 318856664302 |
10 | 101101201220 |
11 | 39970aa0958 |
12 | 17716707718 |
13 | 96c29c10b6 |
14 | 4c713d312c |
15 | 296ac5b715 |
hex | 178a19e744 |
101101201220 has 24 divisors (see below), whose sum is σ = 213498633600. Its totient is φ = 40214554592.
The previous prime is 101101201183. The next prime is 101101201249. The reversal of 101101201220 is 22102101101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14116700 + ... + 14123859.
It is an arithmetic number, because the mean of its divisors is an integer number (8895776400).
Almost surely, 2101101201220 is an apocalyptic number.
101101201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
101101201220 is an abundant number, since it is smaller than the sum of its proper divisors (112397432380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101101201220 is a wasteful number, since it uses less digits than its factorization.
101101201220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28240747 (or 28240745 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 101101201220 its reverse (22102101101), we get a palindrome (123203302321).
The spelling of 101101201220 in words is "one hundred one billion, one hundred one million, two hundred one thousand, two hundred twenty".
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