Base | Representation |
---|---|
bin | 101111100011011110… |
… | …0111001100111101110 |
3 | 100202121001202020212120 |
4 | 1133012330321213232 |
5 | 3133121224214410 |
6 | 114525251013410 |
7 | 10243452352362 |
oct | 1370674714756 |
9 | 322531666776 |
10 | 102122101230 |
11 | 3a34529a176 |
12 | 1796059a266 |
13 | 9826368246 |
14 | 4d2ac212a2 |
15 | 29ca6ba570 |
hex | 17c6f399ee |
102122101230 has 64 divisors (see below), whose sum is σ = 259837175808. Its totient is φ = 25641809280.
The previous prime is 102122101187. The next prime is 102122101253. The reversal of 102122101230 is 32101221201.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449492 + ... + 1518311.
It is an arithmetic number, because the mean of its divisors is an integer number (4059955872).
Almost surely, 2102122101230 is an apocalyptic number.
102122101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102122101230 is an abundant number, since it is smaller than the sum of its proper divisors (157715074578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102122101230 is a wasteful number, since it uses less digits than its factorization.
102122101230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2967881.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 102122101230 its reverse (32101221201), we get a palindrome (134223322431).
The spelling of 102122101230 in words is "one hundred two billion, one hundred twenty-two million, one hundred one thousand, two hundred thirty".
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