Search a number
-
+
22120020123213 = 310789683412739
BaseRepresentation
bin1010000011110001101111…
…11100010001111001001101
32220022122122020100022222110
411001320313330101321031
510344403300122420323
6115013444050534233
74442055501523425
oct501706774217115
986278566308873
1022120020123213
1170590587678a1
122593011b97379
13c45ba7c5999c
145668869b1485
152855d4991793
hex141e37f11e4d

22120020123213 has 8 divisors (see below), whose sum is σ = 29496093858400. Its totient is φ = 14745313235088.

The previous prime is 22120020123209. The next prime is 22120020123277. The reversal of 22120020123213 is 31232102002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22120020123213 - 22 = 22120020123209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120020123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120020123013) 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, 341674003 + ... + 341738736.

It is an arithmetic number, because the mean of its divisors is an integer number (3687011732300).

Almost surely, 222120020123213 is an apocalyptic number.

It is an amenable number.

22120020123213 is a deficient number, since it is larger than the sum of its proper divisors (7376073735187).

22120020123213 is a wasteful number, since it uses less digits than its factorization.

22120020123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683423531.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22120020123213 its reverse (31232102002122), we get a palindrome (53352122125335).

The spelling of 22120020123213 in words is "twenty-two trillion, one hundred twenty billion, twenty million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 3 10789 32367 683412739 2050238217 7373340041071 22120020123213