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420012002012120 = 23571500042864329
BaseRepresentation
bin101111101111111111010101…
…0001011100110101111011000
32001002010202101120122000020222
41133133332222023212233120
5420022434040003341440
64045142503333535212
7154316602645251230
oct13737765213465730
92032122346560228
10420012002012120
111119130a949a011
123b1351817a4508
1315048c6721c0bb
1475a0991888cc0
1533857219d12b5
hex17dffaa2e6bd8

420012002012120 has 32 divisors (see below), whose sum is σ = 1080030862317600. Its totient is φ = 144004114975488.

The previous prime is 420012002012089. The next prime is 420012002012137. The reversal of 420012002012120 is 21210200210024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750021431885 + ... + 750021432444.

It is an arithmetic number, because the mean of its divisors is an integer number (33750964447425).

Almost surely, 2420012002012120 is an apocalyptic number.

420012002012120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420012002012120 is an abundant number, since it is smaller than the sum of its proper divisors (660018860305480).

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

420012002012120 is a wasteful number, since it uses less digits than its factorization.

420012002012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500042864347 (or 1500042864343 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 420012002012120 its reverse (21210200210024), we get a palindrome (441222202222144).

The spelling of 420012002012120 in words is "four hundred twenty trillion, twelve billion, two million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1500042864329 3000085728658 6000171457316 7500214321645 10500300050303 12000342914632 15000428643290 21000600100606 30000857286580 42001200201212 52501500251515 60001714573160 84002400402424 105003000503030 210006001006060 420012002012120