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349421174780 = 2256124695259
BaseRepresentation
bin1010001010110110001…
…11111111111111111100
31020101220202120211102212
411011123013333333330
521211103310043110
6424304420235552
734146660660116
oct5053307777774
91211822524385
10349421174780
111252091643a7
125787853bbb8
1326c479a7ab2
1412caaa3c3b6
159151319e05
hex515b1ffffc

349421174780 has 36 divisors (see below), whose sum is σ = 746011080360. Its totient is φ = 137477154240.

The previous prime is 349421174779. The next prime is 349421174833. The reversal of 349421174780 is 87471124943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2273210 + ... + 2422049.

It is an arithmetic number, because the mean of its divisors is an integer number (20722530010).

Almost surely, 2349421174780 is an apocalyptic number.

It is an amenable number.

349421174780 is an abundant number, since it is smaller than the sum of its proper divisors (396589905580).

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

349421174780 is a wasteful number, since it uses less digits than its factorization.

349421174780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695390 (or 4695327 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 349421174780 in words is "three hundred forty-nine billion, four hundred twenty-one million, one hundred seventy-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 3721 7442 14884 18605 37210 74420 4695259 9390518 18781036 23476295 46952590 93905180 286410799 572821598 1145643196 1432053995 2864107990 5728215980 17471058739 34942117478 69884234956 87355293695 174710587390 349421174780