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285723270167668 = 223134941916139769
BaseRepresentation
bin100000011110111010010001…
…0000001011011110001110100
31101110122212200222000121022021
41000331310202001123301310
5244422242224130331133
62451403242552242524
7114116552664253264
oct10075644201336164
91343585628017267
10285723270167668
1183049616245a73
12280671010a0444
13c357786695668
14507b11999d7a4
1523074b817b52d
hex103dd2205bc74

285723270167668 has 96 divisors (see below), whose sum is σ = 519234387840000. Its totient is φ = 137428708285440.

The previous prime is 285723270167597. The next prime is 285723270167669. The reversal of 285723270167668 is 866761072327582.

It is a junction number, because it is equal to n+sod(n) for n = 285723270167597 and 285723270167606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285723270167669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29247949888 + ... + 29247959656.

It is an arithmetic number, because the mean of its divisors is an integer number (5408691540000).

Almost surely, 2285723270167668 is an apocalyptic number.

It is an amenable number.

285723270167668 is a deficient number, since it is larger than the sum of its proper divisors (233511117672332).

285723270167668 is a wasteful number, since it uses less digits than its factorization.

285723270167668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12183 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 70.

The spelling of 285723270167668 in words is "two hundred eighty-five trillion, seven hundred twenty-three billion, two hundred seventy million, one hundred sixty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 31 62 124 349 419 698 838 1396 1613 1676 3226 6452 9769 10819 12989 19538 21638 25978 39076 43276 50003 51956 100006 146231 200012 292462 302839 562937 584924 605678 675847 1125874 1211356 1351694 2251748 2703388 3409381 4093211 4533161 6818762 8186422 9066322 13637524 15757397 16372844 17451047 18132644 20951257 31514794 34902094 41902514 63029588 69804188 83805028 105690811 126889541 211381622 235870603 253779082 422763244 471741206 488479307 507558164 943482412 976958614 1428530639 1953917228 2857061278 5499331553 5714122556 6602349343 7311988693 10998663106 13204698686 14623977386 21997326212 26409397372 29247954772 44284449809 88568899618 170479278143 177137799236 204672829633 340958556286 409345659266 681917112572 818691318532 2304219920707 4608439841414 9216879682828 71430817541917 142861635083834 285723270167668