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1230105025201 = 13528117917717
BaseRepresentation
bin10001111001100111111…
…110010001101010110001
311100121010010121211211211
4101321213332101222301
5130123223341301301
62341034043440121
7154605102123553
oct21714776215261
94317103554754
101230105025201
11434759244108
1217a49b826041
138bcc96629a0
14437748b14d3
1521ee7b5d051
hex11e67f91ab1

1230105025201 has 8 divisors (see below), whose sum is σ = 1324979410664. Its totient is φ = 1135266485760.

The previous prime is 1230105025183. The next prime is 1230105025213. The reversal of 1230105025201 is 1025205010321.

It can be written as a sum of positive squares in 4 ways, for example, as 66729222400 + 1163375802801 = 258320^2 + 1078599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230105025201 - 225 = 1230071470769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230105025291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8890206 + ... + 9027511.

It is an arithmetic number, because the mean of its divisors is an integer number (165622426333).

Almost surely, 21230105025201 is an apocalyptic number.

It is an amenable number.

1230105025201 is a deficient number, since it is larger than the sum of its proper divisors (94874385463).

1230105025201 is a wasteful number, since it uses less digits than its factorization.

1230105025201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17923011.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 1230105025201 in words is "one trillion, two hundred thirty billion, one hundred five million, twenty-five thousand, two hundred one".

Divisors: 1 13 5281 68653 17917717 232930321 94623463477 1230105025201