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2112313420 = 225715087953
BaseRepresentation
bin111110111100111…
…0101100001001100
312110012200122021101
41331321311201030
513311223012140
6545334112444
7103226240110
oct17571654114
95405618241
102112313420
11994389378
124ab4ab724
1327880c6c9
14160773740
15c569a99a
hex7de7584c

2112313420 has 24 divisors (see below), whose sum is σ = 5069552544. Its totient is φ = 724221696.

The previous prime is 2112313373. The next prime is 2112313421. The reversal of 2112313420 is 243132112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2112313421) 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, 7543837 + ... + 7544116.

It is an arithmetic number, because the mean of its divisors is an integer number (211231356).

Almost surely, 22112313420 is an apocalyptic number.

2112313420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112313420 is an abundant number, since it is smaller than the sum of its proper divisors (2957239124).

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

2112313420 is a wasteful number, since it uses less digits than its factorization.

2112313420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15087969 (or 15087967 counting only the distinct ones).

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

The square root of 2112313420 is about 45959.9110094874. The cubic root of 2112313420 is about 1283.0771951097.

Adding to 2112313420 its reverse (243132112), we get a palindrome (2355445532).

It can be divided in two parts, 21123 and 13420, that added together give a palindrome (34543).

The spelling of 2112313420 in words is "two billion, one hundred twelve million, three hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15087953 30175906 60351812 75439765 105615671 150879530 211231342 301759060 422462684 528078355 1056156710 2112313420