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349019327973 = 31633112294987
BaseRepresentation
bin1010001010000110010…
…11000100110111100101
31020100212202102220020210
411011003023010313211
521204242421443343
6424200503250033
734134011224101
oct5050313046745
91210782386223
10349019327973
111250223479a8
1257785a49919
1326bb266aa14
1412c6d516901
15912adde333
hex51432c4de5

349019327973 has 16 divisors (see below), whose sum is σ = 469719783936. Its totient is φ = 230508393840.

The previous prime is 349019327959. The next prime is 349019327977. The reversal of 349019327973 is 379723910943.

It is not a de Polignac number, because 349019327973 - 210 = 349019326949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349019327977) 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, 995415 + ... + 1299572.

It is an arithmetic number, because the mean of its divisors is an integer number (29357486496).

Almost surely, 2349019327973 is an apocalyptic number.

It is an amenable number.

349019327973 is a deficient number, since it is larger than the sum of its proper divisors (120700455963).

349019327973 is a wasteful number, since it uses less digits than its factorization.

349019327973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295464.

The product of its (nonzero) digits is 7715736, while the sum is 57.

The spelling of 349019327973 in words is "three hundred forty-nine billion, nineteen million, three hundred twenty-seven thousand, nine hundred seventy-three".

Divisors: 1 3 163 311 489 933 50693 152079 2294987 6884961 374082881 713740957 1122248643 2141222871 116339775991 349019327973