Search a number
-
+
22102012001213 = 23960957043531
BaseRepresentation
bin1010000011010000001101…
…00100101111101110111101
32220020221011012212221122222
411001220012210233232331
510344104410033014323
6115001305114215125
74440550314153134
oct501500644575675
986227135787588
1022102012001213
117051457638241
12258b6271244a5
13c442981445b1
14565a5906c91b
15284dcda319c8
hex141a0692fbbd

22102012001213 has 4 divisors (see below), whose sum is σ = 23062969044768. Its totient is φ = 21141054957660.

The previous prime is 22102012001197. The next prime is 22102012001269. The reversal of 22102012001213 is 31210021020122.

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 not a de Polignac number, because 22102012001213 - 24 = 22102012001197 is a prime.

It is a super-2 number, since 2×221020120012132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102012001191 and 22102012001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102012031213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480478521743 + ... + 480478521788.

It is an arithmetic number, because the mean of its divisors is an integer number (5765742261192).

Almost surely, 222102012001213 is an apocalyptic number.

22102012001213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22102012001213 is a deficient number, since it is larger than the sum of its proper divisors (960957043555).

22102012001213 is an equidigital number, since it uses as much as digits as its factorization.

22102012001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960957043554.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22102012001213 its reverse (31210021020122), we get a palindrome (53312033021335).

The spelling of 22102012001213 in words is "twenty-two trillion, one hundred two billion, twelve million, one thousand, two hundred thirteen".

Divisors: 1 23 960957043531 22102012001213