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2231344120 = 23555783603
BaseRepresentation
bin1000010011111111…
…1001101111111000
312202111200000200211
42010333321233320
514032211002440
61005225240504
7106203053305
oct20477715770
95674600624
102231344120
11a45598955
12523333134
13297387385
141724ba0ac
15d0d5deea
hex84ff9bf8

2231344120 has 16 divisors (see below), whose sum is σ = 5020524360. Its totient is φ = 892537632.

The previous prime is 2231344117. The next prime is 2231344127. The reversal of 2231344120 is 214431322.

It is a super-3 number, since 3×22313441203 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231344091 and 2231344100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231344127) 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, 27891762 + ... + 27891841.

Almost surely, 22231344120 is an apocalyptic number.

2231344120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231344120 is an abundant number, since it is smaller than the sum of its proper divisors (2789180240).

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

2231344120 is a wasteful number, since it uses less digits than its factorization.

2231344120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55783614 (or 55783610 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2231344120 is about 47237.1053304497. The cubic root of 2231344120 is about 1306.7389939255.

Adding to 2231344120 its reverse (214431322), we get a palindrome (2445775442).

The spelling of 2231344120 in words is "two billion, two hundred thirty-one million, three hundred forty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 55783603 111567206 223134412 278918015 446268824 557836030 1115672060 2231344120