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2112275672 = 231320310343
BaseRepresentation
bin111110111100110…
…1100010011011000
312110012121201111022
41331321230103120
513311220310142
6545333222012
7103226022053
oct17571542330
95405551438
102112275672
11994362a81
124ab491908
132787c8480
14160763a9a
15c568e6d2
hex7de6c4d8

2112275672 has 16 divisors (see below), whose sum is σ = 4265172240. Its totient is φ = 974896416.

The previous prime is 2112275651. The next prime is 2112275677. The reversal of 2112275672 is 2765722112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112275677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10155068 + ... + 10155275.

It is an arithmetic number, because the mean of its divisors is an integer number (266573265).

Almost surely, 22112275672 is an apocalyptic number.

It is an amenable number.

2112275672 is an abundant number, since it is smaller than the sum of its proper divisors (2152896568).

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

2112275672 is a wasteful number, since it uses less digits than its factorization.

2112275672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20310362 (or 20310358 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 2112275672 is about 45959.5003454128. The cubic root of 2112275672 is about 1283.0695520068.

Adding to 2112275672 its reverse (2765722112), we get a palindrome (4877997784).

The spelling of 2112275672 in words is "two billion, one hundred twelve million, two hundred seventy-five thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 20310343 40620686 81241372 162482744 264034459 528068918 1056137836 2112275672