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331001201444 = 22613593377557
BaseRepresentation
bin1001101000100010011…
…01011000001100100100
31011122101001011020022012
410310101031120030210
520410342301421234
6412020532253352
732625342535004
oct4642115301444
91148331136265
10331001201444
11118416604841
1254197771258
13252a07619a4
141204052c004
1589241550ce
hex4d11358324

331001201444 has 24 divisors (see below), whose sum is σ = 588913458168. Its totient is φ = 162741738240.

The previous prime is 331001201381. The next prime is 331001201513. The reversal of 331001201444 is 444102100133.

It can be written as a sum of positive squares in 4 ways, for example, as 28853099044 + 302148102400 = 169862^2 + 549680^2 .

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, 687914 + ... + 1065470.

It is an arithmetic number, because the mean of its divisors is an integer number (24538060757).

Almost surely, 2331001201444 is an apocalyptic number.

It is an amenable number.

331001201444 is a deficient number, since it is larger than the sum of its proper divisors (257912256724).

331001201444 is a wasteful number, since it uses less digits than its factorization.

331001201444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381215 (or 381213 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 331001201444 its reverse (444102100133), we get a palindrome (775103301577).

The spelling of 331001201444 in words is "three hundred thirty-one billion, one million, two hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 61 122 244 3593 7186 14372 219173 377557 438346 755114 876692 1510228 23030977 46061954 92123908 1356562301 2713124602 5426249204 82750300361 165500600722 331001201444