Base | Representation |
---|---|
bin | 11101011001101010101… |
… | …01101110011000100101 |
3 | 10120120112102111001001112 |
4 | 32230311111232120211 |
5 | 113022403310431041 |
6 | 2052030213234405 |
7 | 132662000015531 |
oct | 16546525563045 |
9 | 3516472431045 |
10 | 1010212202021 |
11 | 35a4794a7480 |
12 | 143952032a05 |
13 | 74354c23229 |
14 | 36c74846bc1 |
15 | 1b42808ddeb |
hex | eb3556e625 |
1010212202021 has 16 divisors (see below), whose sum is σ = 1103053659648. Its totient is φ = 917538418800.
The previous prime is 1010212202017. The next prime is 1010212202029. The reversal of 1010212202021 is 1202022120101.
It is a cyclic number.
It is not a de Polignac number, because 1010212202021 - 22 = 1010212202017 is a prime.
It is a super-2 number, since 2×10102122020212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1010212201987 and 1010212202005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010212202029) 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, 111117686 + ... + 111126776.
It is an arithmetic number, because the mean of its divisors is an integer number (68940853728).
Almost surely, 21010212202021 is an apocalyptic number.
1010212202021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1010212202021 is a deficient number, since it is larger than the sum of its proper divisors (92841457627).
1010212202021 is a wasteful number, since it uses less digits than its factorization.
1010212202021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17192.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1010212202021 its reverse (1202022120101), we get a palindrome (2212234322122).
The spelling of 1010212202021 in words is "one trillion, ten billion, two hundred twelve million, two hundred two thousand, twenty-one".
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