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1011200201 = 11396723173
BaseRepresentation
bin111100010001011…
…011000011001001
32121110202021220022
4330101123003021
54032331401301
6244201310225
734026026354
oct7421330311
92543667808
101011200201
11479883750
12242795375
1313165c11b
149842529b
155db94d1b
hex3c45b0c9

1011200201 has 8 divisors (see below), whose sum is σ = 1103453184. Its totient is φ = 919001520.

The previous prime is 1011200173. The next prime is 1011200207. The reversal of 1011200201 is 1020021101.

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-1011200201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011200207) 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, 32051 + ... + 55223.

It is an arithmetic number, because the mean of its divisors is an integer number (137931648).

Almost surely, 21011200201 is an apocalyptic number.

1011200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011200201 is a deficient number, since it is larger than the sum of its proper divisors (92252983).

1011200201 is a wasteful number, since it uses less digits than its factorization.

1011200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27151.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1011200201 is about 31799.3742234026. The cubic root of 1011200201 is about 1003.7195481416.

Adding to 1011200201 its reverse (1020021101), we get a palindrome (2031221302).

Subtracting 1011200201 from its reverse (1020021101), we obtain a square (8820900 = 29702).

It can be divided in two parts, 10 and 11200201, that added together give a palindrome (11200211).

The spelling of 1011200201 in words is "one billion, eleven million, two hundred thousand, two hundred one".

Divisors: 1 11 3967 23173 43637 254903 91927291 1011200201