Search a number
-
+
1220132312103 = 32317683076987
BaseRepresentation
bin10001110000010101100…
…011011001010000100111
311022122101010012112022110
4101300111203121100213
5124442312332441403
62332304313532103
7154103005350345
oct21602543312047
94278333175273
101220132312103
11430500977161
12178577a14033
138b09a50a613
14430aa212995
1521b12390103
hex11c158d9427

1220132312103 has 8 divisors (see below), whose sum is σ = 1697575390848. Its totient is φ = 778055387384.

The previous prime is 1220132312093. The next prime is 1220132312129. The reversal of 1220132312103 is 3012132310221.

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 1220132312103 - 213 = 1220132303911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220132312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220132314103) 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, 8841538425 + ... + 8841538562.

It is an arithmetic number, because the mean of its divisors is an integer number (212196923856).

Almost surely, 21220132312103 is an apocalyptic number.

1220132312103 is a deficient number, since it is larger than the sum of its proper divisors (477443078745).

1220132312103 is a wasteful number, since it uses less digits than its factorization.

1220132312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17683077013.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220132312103 its reverse (3012132310221), we get a palindrome (4232264622324).

The spelling of 1220132312103 in words is "one trillion, two hundred twenty billion, one hundred thirty-two million, three hundred twelve thousand, one hundred three".

Divisors: 1 3 23 69 17683076987 53049230961 406710770701 1220132312103