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331331041420 = 22517974503063
BaseRepresentation
bin1001101001001001101…
…11100111100010001100
31011200020000210211200121
410310210313213202030
520412031221311140
6412113354034324
732636456245411
oct4644467474214
91150200724617
10331331041420
1111857580a465
125426a1189a4
1325323ba9982
141207226c108
1589430aa64a
hex4d24de788c

331331041420 has 24 divisors (see below), whose sum is σ = 736724316384. Its totient is φ = 124736391936.

The previous prime is 331331041409. The next prime is 331331041429. The reversal of 331331041420 is 24140133133.

It is not an unprimeable number, because it can be changed into a prime (331331041429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487251192 + ... + 487251871.

It is an arithmetic number, because the mean of its divisors is an integer number (30696846516).

Almost surely, 2331331041420 is an apocalyptic number.

It is an amenable number.

331331041420 is an abundant number, since it is smaller than the sum of its proper divisors (405393274964).

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

331331041420 is a wasteful number, since it uses less digits than its factorization.

331331041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974503089 (or 974503087 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 331331041420 its reverse (24140133133), we get a palindrome (355471174553).

The spelling of 331331041420 in words is "three hundred thirty-one billion, three hundred thirty-one million, forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 974503063 1949006126 3898012252 4872515315 9745030630 16566552071 19490061260 33133104142 66266208284 82832760355 165665520710 331331041420