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331331042032 = 24171797878647
BaseRepresentation
bin1001101001001001101…
…11100111101011110000
31011200020000210212112021
410310210313213223300
520412031221321112
6412113354041224
732636456250244
oct4644467475360
91150200725467
10331331042032
1111857580a971
125426a119214
1325323baa033
141207226c424
1589430aa907
hex4d24de7af0

331331042032 has 80 divisors (see below), whose sum is σ = 684460834560. Its totient is φ = 154834504704.

The previous prime is 331331042023. The next prime is 331331042039. The reversal of 331331042032 is 230240133133.

It is a junction number, because it is equal to n+sod(n) for n = 331331041988 and 331331042006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331331042039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38313133 + ... + 38321779.

It is an arithmetic number, because the mean of its divisors is an integer number (8555760432).

Almost surely, 2331331042032 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 331331042032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342230417280).

331331042032 is an abundant number, since it is smaller than the sum of its proper divisors (353129792528).

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

331331042032 is a wasteful number, since it uses less digits than its factorization.

331331042032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9638 (or 9632 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 331331042032 its reverse (230240133133), we get a palindrome (561571175165).

The spelling of 331331042032 in words is "three hundred thirty-one billion, three hundred thirty-one million, forty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 17 34 68 136 179 272 358 716 787 1432 1574 2864 3043 3148 6086 6296 8647 12172 12592 13379 17294 24344 26758 34588 48688 53516 69176 107032 138352 140873 146999 214064 281746 293998 563492 587996 1126984 1175992 1547813 2253968 2351984 2394841 3095626 4789682 6191252 6805189 9579364 12382504 13610378 19158728 24765008 26312821 27220756 38317456 52625642 54441512 105251284 108883024 115688213 210502568 231376426 421005136 462752852 925505704 1218128831 1851011408 2436257662 4872515324 9745030648 19490061296 20708190127 41416380254 82832760508 165665521016 331331042032