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120006816401 = 10125728116453
BaseRepresentation
bin110111111000011110…
…1101011001010010001
3102110202110222220211202
41233300331223022101
53431233221111101
6131044054320545
711445611052203
oct1576075531221
9373673886752
10120006816401
11469927a040a
121b312059155
13b416732b44
145b461dc773
1531c58a036b
hex1bf0f6b291

120006816401 has 16 divisors (see below), whose sum is σ = 122106976848. Its totient is φ = 117927936000.

The previous prime is 120006816373. The next prime is 120006816409. The reversal of 120006816401 is 104618600021.

It is a Cunningham number, because it is equal to 3464202+1.

It can be written as a sum of positive squares in 8 ways, for example, as 81099648400 + 38907168001 = 284780^2 + 197249^2 .

It is a cyclic number.

It is not a de Polignac number, because 120006816401 - 26 = 120006816337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120006816409) 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, 7285691 + ... + 7302143.

It is an arithmetic number, because the mean of its divisors is an integer number (7631686053).

Almost surely, 2120006816401 is an apocalyptic number.

It is an amenable number.

120006816401 is a deficient number, since it is larger than the sum of its proper divisors (2100160447).

120006816401 is a wasteful number, since it uses less digits than its factorization.

120006816401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17092.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 120006816401 in words is "one hundred twenty billion, six million, eight hundred sixteen thousand, four hundred one".

Divisors: 1 101 257 281 16453 25957 28381 72217 1661753 4228421 4623293 7293917 427070521 466952593 1188186301 120006816401