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34344121440 = 253571550253
BaseRepresentation
bin11111111111000100…
…011011010001100000
310021122111112010200210
4133333010123101200
51030314043341230
623435533414120
72324036133636
oct377704332140
9107574463623
1034344121440
11136243a7842
1267a593a340
133314392065
14193b379356
15d601c5eb0
hex7ff11b460

34344121440 has 48 divisors (see below), whose sum is σ = 108183984048. Its totient is φ = 9158432256.

The previous prime is 34344121439. The next prime is 34344121477. The reversal of 34344121440 is 4412144343.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 34344121398 and 34344121407.

It is a congruent number.

It is an unprimeable number.

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, 35774647 + ... + 35775606.

It is an arithmetic number, because the mean of its divisors is an integer number (2253833001).

Almost surely, 234344121440 is an apocalyptic number.

34344121440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34344121440 is an abundant number, since it is smaller than the sum of its proper divisors (73839862608).

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

34344121440 is a wasteful number, since it uses less digits than its factorization.

34344121440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71550271 (or 71550263 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 34344121440 its reverse (4412144343), we get a palindrome (38756265783).

The spelling of 34344121440 in words is "thirty-four billion, three hundred forty-four million, one hundred twenty-one thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 71550253 143100506 214650759 286201012 357751265 429301518 572402024 715502530 858603036 1073253795 1144804048 1431005060 1717206072 2146507590 2289608096 2862010120 3434412144 4293015180 5724020240 6868824288 8586030360 11448040480 17172060720 34344121440