Base | Representation |
---|---|
bin | 111110100111001… |
… | …0111011111000010 |
3 | 12102102020200222120 |
4 | 1331032113133002 |
5 | 13300313340320 |
6 | 544245545110 |
7 | 103030336656 |
oct | 17516273702 |
9 | 5372220876 |
10 | 2100918210 |
11 | 988a05a46 |
12 | 4a7715196 |
13 | 27634ca91 |
14 | 15d048a66 |
15 | c4699440 |
hex | 7d3977c2 |
2100918210 has 48 divisors (see below), whose sum is σ = 5271001344. Its totient is φ = 535882336.
The previous prime is 2100918163. The next prime is 2100918229. The reversal of 2100918210 is 128190012.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50322 + ... + 82061.
It is an arithmetic number, because the mean of its divisors is an integer number (109812528).
Almost surely, 22100918210 is an apocalyptic number.
2100918210 is an abundant number, since it is smaller than the sum of its proper divisors (3170083134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100918210 is a wasteful number, since it uses less digits than its factorization.
2100918210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132439 (or 132416 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 24.
The square root of 2100918210 is about 45835.7743471189. The cubic root of 2100918210 is about 1280.7657791559.
The spelling of 2100918210 in words is "two billion, one hundred million, nine hundred eighteen thousand, two hundred ten".
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