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1200002000201 = 17178939456877
BaseRepresentation
bin10001011101100101101…
…100010110010101001001
311020201102012110201201222
4101131211230112111021
5124130101003001301
62315135011251425
7152461111463354
oct21354554262511
94221365421658
101200002000201
11422a10932954
1217469a2a9b75
138920cb38264
144211a8c929b
1521334e8331b
hex11765b16549

1200002000201 has 8 divisors (see below), whose sum is σ = 1271300609160. Its totient is φ = 1128782308608.

The previous prime is 1200002000179. The next prime is 1200002000221. The reversal of 1200002000201 is 1020002000021.

It can be written as a sum of positive squares in 4 ways, for example, as 884871336976 + 315130663225 = 940676^2 + 561365^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200002000201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200002000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19698026 + ... + 19758851.

It is an arithmetic number, because the mean of its divisors is an integer number (158912576145).

Almost surely, 21200002000201 is an apocalyptic number.

It is an amenable number.

1200002000201 is a deficient number, since it is larger than the sum of its proper divisors (71298608959).

1200002000201 is a wasteful number, since it uses less digits than its factorization.

1200002000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39458683.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1200002000201 its reverse (1020002000021), we get a palindrome (2220004000222).

The spelling of 1200002000201 in words is "one trillion, two hundred billion, two million, two hundred one", and thus it is an aban number.

Divisors: 1 17 1789 30413 39456877 670766909 70588352953 1200002000201