Search a number
-
+
1201130221033 = 1365598795687
BaseRepresentation
bin10001011110101000111…
…100001010110111101001
311020211022211102021202201
4101132220330022313221
5124134403314033113
62315442553100201
7152531061265051
oct21365074126751
94224284367681
101201130221033
1142343a772966
121749540b7661
138935c7ba152
14421c6692561
152139e040cdd
hex117a8f0ade9

1201130221033 has 4 divisors (see below), whose sum is σ = 1201139153280. Its totient is φ = 1201121288788.

The previous prime is 1201130221019. The next prime is 1201130221061. The reversal of 1201130221033 is 3301220311021.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1201130221033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201130221033.

It is not an unprimeable number, because it can be changed into a prime (1201131221033) 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, 4261285 + ... + 4534402.

It is an arithmetic number, because the mean of its divisors is an integer number (300284788320).

Almost surely, 21201130221033 is an apocalyptic number.

It is an amenable number.

1201130221033 is a deficient number, since it is larger than the sum of its proper divisors (8932247).

1201130221033 is an equidigital number, since it uses as much as digits as its factorization.

1201130221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932246.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1201130221033 its reverse (3301220311021), we get a palindrome (4502350532054).

The spelling of 1201130221033 in words is "one trillion, two hundred one billion, one hundred thirty million, two hundred twenty-one thousand, thirty-three".

Divisors: 1 136559 8795687 1201130221033