Search a number
-
+
1220012234413 = 7324435372113
BaseRepresentation
bin10001110000001110011…
…001010101011010101101
311022122001202020221200121
4101300032121111122231
5124442041113000123
62332244344124541
7154100016613540
oct21601631253255
94278052227617
101220012234413
1143044a111aa5
12178543766751
138b07b68722b
14430982b6857
1521b06a7175d
hex11c0e6556ad

1220012234413 has 8 divisors (see below), whose sum is σ = 1394342932928. Its totient is φ = 1045692345024.

The previous prime is 1220012234387. The next prime is 1220012234429. The reversal of 1220012234413 is 3144322100221.

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 1220012234413 - 213 = 1220012226221 is a prime.

It is a super-2 number, since 2×12200122344132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220012234213) 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, 2458956 + ... + 2913157.

It is an arithmetic number, because the mean of its divisors is an integer number (174292866616).

Almost surely, 21220012234413 is an apocalyptic number.

It is an amenable number.

1220012234413 is a deficient number, since it is larger than the sum of its proper divisors (174330698515).

1220012234413 is an equidigital number, since it uses as much as digits as its factorization.

1220012234413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404563.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1220012234413 its reverse (3144322100221), we get a palindrome (4364334334634).

The spelling of 1220012234413 in words is "one trillion, two hundred twenty billion, twelve million, two hundred thirty-four thousand, four hundred thirteen".

Divisors: 1 7 32443 227101 5372113 37604791 174287462059 1220012234413