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331423042144 = 25431731392253
BaseRepresentation
bin1001101001010100101…
…10100100101001100000
31011200110102220221221211
410310222112210221200
520412223244322034
6412130441555504
732641654243165
oct4645226445140
91150412827854
10331423042144
11118612737a17
1254294aa5b94
1325339c7c47c
141208057a06c
15894b1ced64
hex4d2a5a4a60

331423042144 has 48 divisors (see below), whose sum is σ = 671523087312. Its totient is φ = 160922055168.

The previous prime is 331423042103. The next prime is 331423042169. The reversal of 331423042144 is 441240324133.

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, 458079 + ... + 934174.

It is an arithmetic number, because the mean of its divisors is an integer number (13990064319).

Almost surely, 2331423042144 is an apocalyptic number.

It is an amenable number.

331423042144 is an abundant number, since it is smaller than the sum of its proper divisors (340100045168).

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

331423042144 is a wasteful number, since it uses less digits than its factorization.

331423042144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392479 (or 1392471 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 331423042144 its reverse (441240324133), we get a palindrome (772663366277).

The spelling of 331423042144 in words is "three hundred thirty-one billion, four hundred twenty-three million, forty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 43 86 172 173 344 346 688 692 1376 1384 2768 5536 7439 14878 29756 59512 119024 238048 1392253 2784506 5569012 11138024 22276048 44552096 59866879 119733758 239467516 240859769 478935032 481719538 957870064 963439076 1915740128 1926878152 3853756304 7707512608 10356970067 20713940134 41427880268 82855760536 165711521072 331423042144