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2112312032 = 25531379091
BaseRepresentation
bin111110111100111…
…0101001011100000
312110012200120100222
41331321311023200
513311222441112
6545334102212
7103226233055
oct17571651340
95405616328
102112312032
11994388326
124ab4aa968
1327880bb9c
1416077302c
15c569a372
hex7de752e0

2112312032 has 48 divisors (see below), whose sum is σ = 4268475792. Its totient is φ = 1028551680.

The previous prime is 2112312031. The next prime is 2112312071. The reversal of 2112312032 is 2302132112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112312032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112312031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227807 + ... + 236897.

It is an arithmetic number, because the mean of its divisors is an integer number (88926579).

Almost surely, 22112312032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2134237896).

2112312032 is an abundant number, since it is smaller than the sum of its proper divisors (2156163760).

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

2112312032 is a wasteful number, since it uses less digits than its factorization.

2112312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291 (or 9283 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2112312032 is about 45959.8959093686. The cubic root of 2112312032 is about 1283.0769140732.

Adding to 2112312032 its reverse (2302132112), we get a palindrome (4414444144).

The spelling of 2112312032 in words is "two billion, one hundred twelve million, three hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 53 106 137 212 274 424 548 848 1096 1696 2192 4384 7261 9091 14522 18182 29044 36364 58088 72728 116176 145456 232352 290912 481823 963646 1245467 1927292 2490934 3854584 4981868 7709168 9963736 15418336 19927472 39854944 66009751 132019502 264039004 528078008 1056156016 2112312032