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121301024004 = 22323369472889
BaseRepresentation
bin111000011111000011…
…0101011110100000100
3102121002200021110220200
41300332012223310010
53441411030232004
6131420325530500
711522644456206
oct1607606536404
9377080243820
10121301024004
11474972a1776
121b613573a30
13b5918c0464
145c2a052776
15324e2e9239
hex1c3e1abd04

121301024004 has 18 divisors (see below), whose sum is σ = 306622032990. Its totient is φ = 40433674656.

The previous prime is 121301023993. The next prime is 121301024023. The reversal of 121301024004 is 400420103121.

121301024004 is a `hidden beast` number, since 121 + 301 + 0 + 240 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65438756100 + 55862267904 = 255810^2 + 236352^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684736409 + ... + 1684736480.

Almost surely, 2121301024004 is an apocalyptic number.

It is an amenable number.

121301024004 is an abundant number, since it is smaller than the sum of its proper divisors (185321008986).

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

121301024004 is a wasteful number, since it uses less digits than its factorization.

121301024004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369472899 (or 3369472894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121301024004 its reverse (400420103121), we get a palindrome (521721127125).

The spelling of 121301024004 in words is "one hundred twenty-one billion, three hundred one million, twenty-four thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 3369472889 6738945778 10108418667 13477891556 20216837334 30325256001 40433674668 60650512002 121301024004