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2331220044244 = 22713231387920063
BaseRepresentation
bin100001111011000111100…
…010101110100111010100
322020212021201210110011011
4201323013202232213110
5301143314312403434
64542540412022004
7330265543266520
oct41730742564724
98225251713134
102331220044244
11819734a38443
12317980a61904
1313baaa449b30
1480b900a6d80
154099145ee64
hex21ec78ae9d4

2331220044244 has 96 divisors (see below), whose sum is σ = 5240036229120. Its totient is φ = 882035941248.

The previous prime is 2331220044199. The next prime is 2331220044323. The reversal of 2331220044244 is 4424400221332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116184957 + ... + 116205019.

It is an arithmetic number, because the mean of its divisors is an integer number (54583710720).

Almost surely, 22331220044244 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 2331220044244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620018114560).

2331220044244 is an abundant number, since it is smaller than the sum of its proper divisors (2908816184876).

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

2331220044244 is a wasteful number, since it uses less digits than its factorization.

2331220044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33989 (or 33987 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2331220044244 its reverse (4424400221332), we get a palindrome (6755620265576).

The spelling of 2331220044244 in words is "two trillion, three hundred thirty-one billion, two hundred twenty million, forty-four thousand, two hundred forty-four".

Divisors: 1 2 4 7 13 14 23 26 28 46 52 91 92 161 182 299 322 364 598 644 1196 2093 4186 8372 13879 20063 27758 40126 55516 80252 97153 140441 180427 194306 260819 280882 319217 360854 388612 461449 521638 561764 638434 721708 922898 1043276 1262989 1276868 1825733 1845796 2234519 2525978 3230143 3651466 4149821 4469038 5051956 5998837 6460286 7302932 8299642 8938076 11997674 12920572 16599284 23995348 29048747 41991859 58097494 83983718 116194988 167967436 278454377 556908754 1113817508 1949180639 3619906901 3898361278 6404450671 7239813802 7796722556 12808901342 14479627604 25339348307 25617802684 44831154697 50678696614 83257858723 89662309394 101357393228 166515717446 179324618788 333031434892 582805011061 1165610022122 2331220044244