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2112020330 = 2571717310259
BaseRepresentation
bin111110111100010…
…1101111101101010
312110012010202020012
41331320231331222
513311134122310
6545323531522
7103223606450
oct17570557552
95405122205
102112020330
119941a9152
124ab389ba2
13278739194
141606d89d0
15c563dc05
hex7de2df6a

2112020330 has 64 divisors (see below), whose sum is σ = 4627342080. Its totient is φ = 677520384.

The previous prime is 2112020321. The next prime is 2112020353. The reversal of 2112020330 is 330202112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200741 + ... + 210999.

It is an arithmetic number, because the mean of its divisors is an integer number (72302220).

Almost surely, 22112020330 is an apocalyptic number.

2112020330 is an abundant number, since it is smaller than the sum of its proper divisors (2515321750).

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

2112020330 is a wasteful number, since it uses less digits than its factorization.

2112020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2112020330 is about 45956.7223591935. The cubic root of 2112020330 is about 1283.0178487258.

Adding to 2112020330 its reverse (330202112), we get a palindrome (2442222442).

The spelling of 2112020330 in words is "two billion, one hundred twelve million, twenty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 173 238 346 595 865 1190 1211 1730 2422 2941 5882 6055 10259 12110 14705 20518 20587 29410 41174 51295 71813 102590 102935 143626 174403 205870 348806 359065 718130 872015 1220821 1744030 1774807 2441642 3549614 6104105 8874035 12208210 12423649 17748070 24847298 30171719 60343438 62118245 124236490 150858595 211202033 301717190 422404066 1056010165 2112020330