Base | Representation |
---|---|
bin | 10111001101110001001001… |
… | …110101000010110000101100 |
3 | 111101111210001021002010011121 |
4 | 113031301021311002300230 |
5 | 101340311230001432340 |
6 | 1001052351100430324 |
7 | 30335365642522153 |
oct | 2715611165026054 |
9 | 441453037063147 |
10 | 102101201202220 |
11 | 2a594970340070 |
12 | b54ba918483a4 |
13 | 44c814301249c |
14 | 1b2da2008659a |
15 | bc0d471ad94a |
hex | 5cdc49d42c2c |
102101201202220 has 24 divisors (see below), whose sum is σ = 233904570027408. Its totient is φ = 37127709528000.
The previous prime is 102101201202151. The next prime is 102101201202227. The reversal of 102101201202220 is 22202102101201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 102101201202194 and 102101201202203.
It is not an unprimeable number, because it can be changed into a prime (102101201202227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232048184331 + ... + 232048184770.
It is an arithmetic number, because the mean of its divisors is an integer number (9746023751142).
Almost surely, 2102101201202220 is an apocalyptic number.
102101201202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102101201202220 is an abundant number, since it is smaller than the sum of its proper divisors (131803368825188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102101201202220 is a wasteful number, since it uses less digits than its factorization.
102101201202220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464096369121 (or 464096369119 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 102101201202220 its reverse (22202102101201), we get a palindrome (124303303303421).
The spelling of 102101201202220 in words is "one hundred two trillion, one hundred one billion, two hundred one million, two hundred two thousand, two hundred twenty".
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