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214442421020 = 225171135581531
BaseRepresentation
bin1100011110110111000…
…0111010101100011100
3202111111212020200121122
43013231300322230130
512003134224433040
6242302525150112
721331040334512
oct3075560725434
9674455220548
10214442421020
1182a43179943
12356883bb338
13172b64a3129
14a5442424b2
1558a134a1b5
hex31edc3ab1c

214442421020 has 48 divisors (see below), whose sum is σ = 481038753888. Its totient is φ = 80016814080.

The previous prime is 214442421013. The next prime is 214442421031. The reversal of 214442421020 is 20124244412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2752346 + ... + 2829185.

It is an arithmetic number, because the mean of its divisors is an integer number (10021640706).

Almost surely, 2214442421020 is an apocalyptic number.

214442421020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214442421020 is an abundant number, since it is smaller than the sum of its proper divisors (266596332868).

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

214442421020 is a wasteful number, since it uses less digits than its factorization.

214442421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581670 (or 5581668 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 214442421020 its reverse (20124244412), we get a palindrome (234566665432).

The spelling of 214442421020 in words is "two hundred fourteen billion, four hundred forty-two million, four hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 113 170 226 340 452 565 1130 1921 2260 3842 7684 9605 19210 38420 5581531 11163062 22326124 27907655 55815310 94886027 111630620 189772054 379544108 474430135 630713003 948860270 1261426006 1897720540 2522852012 3153565015 6307130030 10722121051 12614260060 21444242102 42888484204 53610605255 107221210510 214442421020