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120440356808 = 2329242312
BaseRepresentation
bin111000000101011001…
…1011111111111001000
3102111212200210001110212
41300022303133333020
53433130212404213
6131155102500252
711462424066332
oct1601263377710
9374780701425
10120440356808
1147095494772
121b413294688
13b4854b8a25
145b87a14452
1531ed98b9a8
hex1c0acdffc8

120440356808 has 36 divisors (see below), whose sum is σ = 233936572545. Its totient is φ = 58129878240.

The previous prime is 120440356787. The next prime is 120440356853. The reversal of 120440356808 is 808653044021.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 120368751364 + 71605444 = 346942^2 + 8462^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=245398.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28464053 + ... + 28468283.

Almost surely, 2120440356808 is an apocalyptic number.

It is an amenable number.

120440356808 is a deficient number, since it is larger than the sum of its proper divisors (113496215737).

120440356808 is an frugal number, since it uses more digits than its factorization.

120440356808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526 (or 4262 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 120440356808 in words is "one hundred twenty billion, four hundred forty million, three hundred fifty-six thousand, eight hundred eight".

Divisors: 1 2 4 8 29 58 116 232 841 1682 3364 4231 6728 8462 16924 33848 122699 245398 490796 981592 3558271 7116542 14233084 17901361 28466168 35802722 71605444 143210888 519139469 1038278938 2076557876 4153115752 15055044601 30110089202 60220178404 120440356808