Base | Representation |
---|---|
bin | 10001110000011010001… |
… | …100001000011111110010 |
3 | 11022122120112120120112110 |
4 | 101300122030020133302 |
5 | 124442442241201320 |
6 | 2332320133110150 |
7 | 154104641502003 |
oct | 21603214103762 |
9 | 4278515516473 |
10 | 1220210100210 |
11 | 430540877552 |
12 | 178599a88356 |
13 | 8b0b0674c9a |
14 | 430b66a11aa |
15 | 21b191085e0 |
hex | 11c1a3087f2 |
1220210100210 has 32 divisors (see below), whose sum is σ = 2936032557120. Its totient is φ = 324552880448.
The previous prime is 1220210100191. The next prime is 1220210100217. The reversal of 1220210100210 is 120010120221.
It is not an unprimeable number, because it can be changed into a prime (1220210100217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52268112 + ... + 52291451.
It is an arithmetic number, because the mean of its divisors is an integer number (91751017410).
Almost surely, 21220210100210 is an apocalyptic number.
1220210100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220210100210 is an abundant number, since it is smaller than the sum of its proper divisors (1715822456910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220210100210 is a wasteful number, since it uses less digits than its factorization.
1220210100210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104559962.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 1220210100210 its reverse (120010120221), we get a palindrome (1340220220431).
The spelling of 1220210100210 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred thousand, two hundred ten".
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