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210210112020 = 223587715492579
BaseRepresentation
bin1100001111000101111…
…1111100001000010100
3202002120220102010010110
43003301133330020110
511421002242041040
6240322540123020
721121126320306
oct3036137741024
9662526363113
10210210112020
1181171145507
12348a6b36470
1316a906c448c
14a2620d9976
1557049d7980
hex30f17fc214

210210112020 has 96 divisors (see below), whose sum is σ = 589868496000. Its totient is φ = 55934267904.

The previous prime is 210210111983. The next prime is 210210112031. The reversal of 210210112020 is 20211012012.

210210112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210210111987 and 210210112005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81507091 + ... + 81509669.

It is an arithmetic number, because the mean of its divisors is an integer number (6144463500).

Almost surely, 2210210112020 is an apocalyptic number.

210210112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210112020 is an abundant number, since it is smaller than the sum of its proper divisors (379658383980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210210112020 is a wasteful number, since it uses less digits than its factorization.

210210112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210210112020 its reverse (20211012012), we get a palindrome (230421124032).

The spelling of 210210112020 in words is "two hundred ten billion, two hundred ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 877 1549 1754 2579 2631 3098 3508 4385 4647 5158 5262 6196 7737 7745 8770 9294 10316 10524 12895 13155 15474 15490 17540 18588 23235 25790 26310 30948 30980 38685 46470 51580 52620 77370 92940 154740 1358473 2261783 2716946 3994871 4075419 4523566 5433892 6785349 6792365 7989742 8150838 9047132 11308915 11984613 13570698 13584730 15979484 16301676 19974355 20377095 22617830 23969226 27141396 27169460 33926745 39948710 40754190 45235660 47938452 59923065 67853490 79897420 81508380 119846130 135706980 239692260 3503501867 7007003734 10510505601 14014007468 17517509335 21021011202 35035018670 42042022404 52552528005 70070037340 105105056010 210210112020