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2231120244 = 223238083769
BaseRepresentation
bin1000010011111100…
…0011000101110100
312202111020122121010
42010333003011310
514032131321434
61005220352220
7106201131513
oct20477030564
95674218533
102231120244
11a45455731
12523245670
132973094c2
1417245c67a
15d0d179e9
hex84fc3174

2231120244 has 24 divisors (see below), whose sum is σ = 5432293440. Its totient is φ = 711371584.

The previous prime is 2231120197. The next prime is 2231120279. The reversal of 2231120244 is 4420211322.

It is a super-3 number, since 3×22311202443 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231120244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4041609 + ... + 4042160.

It is an arithmetic number, because the mean of its divisors is an integer number (226345560).

Almost surely, 22231120244 is an apocalyptic number.

It is an amenable number.

2231120244 is an abundant number, since it is smaller than the sum of its proper divisors (3201173196).

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

2231120244 is a wasteful number, since it uses less digits than its factorization.

2231120244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083799 (or 8083797 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2231120244 is about 47234.7355661064. The cubic root of 2231120244 is about 1306.6952897323.

Adding to 2231120244 its reverse (4420211322), we get a palindrome (6651331566).

The spelling of 2231120244 in words is "two billion, two hundred thirty-one million, one hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 8083769 16167538 24251307 32335076 48502614 97005228 185926687 371853374 557780061 743706748 1115560122 2231120244