Base | Representation |
---|---|
bin | 10010101110111010… |
… | …01100101101011101 |
3 | 221221220102000212010 |
4 | 21113131030231131 |
5 | 131044121102441 |
6 | 4341544501433 |
7 | 504140563050 |
oct | 112735145535 |
9 | 27856360763 |
10 | 10057206621 |
11 | 42a1038210 |
12 | 1b4817a879 |
13 | c437c9b47 |
14 | 6b59b4a97 |
15 | 3dce0d116 |
hex | 25774cb5d |
10057206621 has 16 divisors (see below), whose sum is σ = 16718473728. Its totient is φ = 5224522800.
The previous prime is 10057206617. The next prime is 10057206623. The reversal of 10057206621 is 12660275001.
It is not a de Polignac number, because 10057206621 - 22 = 10057206617 is a prime.
It is a super-3 number, since 3×100572066213 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10057206623) 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, 21768615 + ... + 21769076.
It is an arithmetic number, because the mean of its divisors is an integer number (1044904608).
Almost surely, 210057206621 is an apocalyptic number.
10057206621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10057206621 is a deficient number, since it is larger than the sum of its proper divisors (6661267107).
10057206621 is a wasteful number, since it uses less digits than its factorization.
10057206621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43537712.
The product of its (nonzero) digits is 5040, while the sum is 30.
The spelling of 10057206621 in words is "ten billion, fifty-seven million, two hundred six thousand, six hundred twenty-one".
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