Base | Representation |
---|---|
bin | 11110100100101110100… |
… | …111011100100010110100 |
3 | 21102212002202212110101011 |
4 | 132210232213130202310 |
5 | 233410342400201322 |
6 | 4245110141442004 |
7 | 304536155455066 |
oct | 36445647344264 |
9 | 7385082773334 |
10 | 2101021100212 |
11 | 740046701661 |
12 | 29b237870304 |
13 | 12318278b108 |
14 | 73993391736 |
15 | 399bbbb5677 |
hex | 1e92e9dc8b4 |
2101021100212 has 6 divisors (see below), whose sum is σ = 3676786925378. Its totient is φ = 1050510550104.
The previous prime is 2101021100209. The next prime is 2101021100281. The reversal of 2101021100212 is 2120011201012.
It can be written as a sum of positive squares in only one way, i.e., 1888607038756 + 212414061456 = 1374266^2 + 460884^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2101021100192 and 2101021100201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262627637523 + ... + 262627637530.
Almost surely, 22101021100212 is an apocalyptic number.
It is an amenable number.
2101021100212 is a deficient number, since it is larger than the sum of its proper divisors (1575765825166).
2101021100212 is a wasteful number, since it uses less digits than its factorization.
2101021100212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 525255275057 (or 525255275055 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2101021100212 its reverse (2120011201012), we get a palindrome (4221032301224).
The spelling of 2101021100212 in words is "two trillion, one hundred one billion, twenty-one million, one hundred thousand, two hundred twelve".
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