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349146833380 = 225611621176549
BaseRepresentation
bin1010001010010101100…
…01011110000111100100
31020101012122100211210021
411011022301132013210
521210023042132010
6424221300204524
734140120055012
oct5051261360744
91211178324707
10349146833380
11125088315674
1257800699744
1326c02bc1bc7
1412c824278b2
1591371c88da
hex514ac5e1e4

349146833380 has 48 divisors (see below), whose sum is σ = 745692116400. Its totient is φ = 137283724800.

The previous prime is 349146833359. The next prime is 349146833383. The reversal of 349146833380 is 83338641943.

It can be written as a sum of positive squares in 8 ways, for example, as 24513538624 + 324633294756 = 156568^2 + 569766^2 .

It is a super-2 number, since 2×3491468333802 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349146833383) 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, 1889346 + ... + 2065894.

It is an arithmetic number, because the mean of its divisors is an integer number (15535252425).

Almost surely, 2349146833380 is an apocalyptic number.

It is an amenable number.

349146833380 is an abundant number, since it is smaller than the sum of its proper divisors (396545283020).

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

349146833380 is a wasteful number, since it uses less digits than its factorization.

349146833380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178240 (or 178238 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 349146833380 in words is "three hundred forty-nine billion, one hundred forty-six million, eight hundred thirty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 1621 3242 6484 8105 16210 32420 98881 176549 197762 353098 395524 494405 706196 882745 988810 1765490 1977620 3530980 10769489 21538978 43077956 53847445 107694890 215389780 286185929 572371858 1144743716 1430929645 2861859290 5723718580 17457341669 34914683338 69829366676 87286708345 174573416690 349146833380