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213120223120 = 2457380571827
BaseRepresentation
bin1100011001111011110…
…1001000011110010000
3202101002201022002002001
43012132331020132100
511442432234114440
6241523414003344
721253214002240
oct3063675103620
9671081262061
10213120223120
11824248a0002
1235379646554
13171355954cc
14a45a7c3b20
155825222b9a
hex319ef48790

213120223120 has 40 divisors (see below), whose sum is σ = 566290880064. Its totient is φ = 73069790592.

The previous prime is 213120223033. The next prime is 213120223133. The reversal of 213120223120 is 21322021312.

213120223120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 190285354 + ... + 190286473.

Almost surely, 2213120223120 is an apocalyptic number.

213120223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213120223120 is an abundant number, since it is smaller than the sum of its proper divisors (353170656944).

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

213120223120 is a wasteful number, since it uses less digits than its factorization.

213120223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380571847 (or 380571841 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213120223120 its reverse (21322021312), we get a palindrome (234442244432).

The spelling of 213120223120 in words is "two hundred thirteen billion, one hundred twenty million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 380571827 761143654 1522287308 1902859135 2664002789 3044574616 3805718270 5328005578 6089149232 7611436540 10656011156 13320013945 15222873080 21312022312 26640027890 30445746160 42624044624 53280055780 106560111560 213120223120