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10057206621 = 371143537691
BaseRepresentation
bin10010101110111010…
…01100101101011101
3221221220102000212010
421113131030231131
5131044121102441
64341544501433
7504140563050
oct112735145535
927856360763
1010057206621
1142a1038210
121b4817a879
13c437c9b47
146b59b4a97
153dce0d116
hex25774cb5d

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".

Divisors: 1 3 7 11 21 33 77 231 43537691 130613073 304763837 478914601 914291511 1436743803 3352402207 10057206621