Search a number
-
+
1211132313013 = 7584329611313
BaseRepresentation
bin10001100111111101000…
…111000111110110110101
311021210010220010012112211
4101213331013013312311
5124320344333004023
62324215252413421
7153333662542060
oct21477507076665
94253126105484
101211132313013
11427702686687
12176885917271
138a294a5a87c
1442894bdb8d7
15217871b3a0d
hex119fd1c7db5

1211132313013 has 8 divisors (see below), whose sum is σ = 1384388152128. Its totient is φ = 1037935708224.

The previous prime is 1211132312989. The next prime is 1211132313043. The reversal of 1211132313013 is 3103132311121.

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-1211132313013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211132313043) 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, 14764756 + ... + 14846557.

It is an arithmetic number, because the mean of its divisors is an integer number (173048519016).

Almost surely, 21211132313013 is an apocalyptic number.

It is an amenable number.

1211132313013 is a deficient number, since it is larger than the sum of its proper divisors (173255839115).

1211132313013 is an equidigital number, since it uses as much as digits as its factorization.

1211132313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29617163.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1211132313013 its reverse (3103132311121), we get a palindrome (4314264624134).

The spelling of 1211132313013 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, three hundred thirteen thousand, thirteen".

Divisors: 1 7 5843 40901 29611313 207279191 173018901859 1211132313013