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286922820229 = 3723333281849
BaseRepresentation
bin1000010110011011110…
…11101100101010000101
31000102121010220110112121
410023031323230222011
514200104220221404
6335451023445541
726505133505653
oct4131573545205
91012533813477
10286922820229
111007574a7611
1247735a568b1
1321097776406
14dc5c445dd3
1576e45b3e54
hex42cdeeca85

286922820229 has 8 divisors (see below), whose sum is σ = 295942210200. Its totient is φ = 277969994496.

The previous prime is 286922820227. The next prime is 286922820341. The reversal of 286922820229 is 922028229682.

It can be written as a sum of positive squares in 4 ways, for example, as 109683504225 + 177239316004 = 331185^2 + 420998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 286922820229 - 21 = 286922820227 is a prime.

It is a super-2 number, since 2×2869228202292 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286922820227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16632304 + ... + 16649545.

It is an arithmetic number, because the mean of its divisors is an integer number (36992776275).

Almost surely, 2286922820229 is an apocalyptic number.

It is an amenable number.

286922820229 is a deficient number, since it is larger than the sum of its proper divisors (9019389971).

286922820229 is a wasteful number, since it uses less digits than its factorization.

286922820229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33282119.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 286922820229 in words is "two hundred eighty-six billion, nine hundred twenty-two million, eight hundred twenty thousand, two hundred twenty-nine".

Divisors: 1 37 233 8621 33281849 1231428413 7754670817 286922820229