Search a number
-
+
1200110201 = 3833133447
BaseRepresentation
bin100011110001000…
…0011101001111001
310002122012220200222
41013202003221321
54424212011301
6315030305425
741511524363
oct10742035171
93078186628
101200110201
11566481614
12295ab8275
131618326a4
14b555bd33
157055d31b
hex47883a79

1200110201 has 4 divisors (see below), whose sum is σ = 1203244032. Its totient is φ = 1196976372.

The previous prime is 1200110159. The next prime is 1200110203. The reversal of 1200110201 is 1020110021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1020110021 = 7145730003.

It is a cyclic number.

It is not a de Polignac number, because 1200110201 - 26 = 1200110137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200110203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566341 + ... + 1567106.

It is an arithmetic number, because the mean of its divisors is an integer number (300811008).

Almost surely, 21200110201 is an apocalyptic number.

It is an amenable number.

1200110201 is a deficient number, since it is larger than the sum of its proper divisors (3133831).

1200110201 is an equidigital number, since it uses as much as digits as its factorization.

1200110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133830.

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

The square root of 1200110201 is about 34642.6067292864. The cubic root of 1200110201 is about 1062.6910976416.

Adding to 1200110201 its reverse (1020110021), we get a palindrome (2220220222).

The spelling of 1200110201 in words is "one billion, two hundred million, one hundred ten thousand, two hundred one".

Divisors: 1 383 3133447 1200110201