Search a number
-
+
211020122022 = 23232953517823
BaseRepresentation
bin1100010010000111000…
…1111000011110100110
3202011200100120212221220
43010201301320132212
511424132122401042
6240535153321210
721150163304433
oct3044161703646
9664610525856
10211020122022
11815473a2a66
1234a92266206
1316b8c470638
14a2db90cb8a
155750b8a8ec
hex3121c787a6

211020122022 has 32 divisors (see below), whose sum is σ = 440539803648. Its totient is φ = 67258863936.

The previous prime is 211020122003. The next prime is 211020122029. The reversal of 211020122022 is 220221020112.

It is a super-4 number, since 4×2110201220224 (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211020121992 and 211020122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020122029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148603 + ... + 666425.

It is an arithmetic number, because the mean of its divisors is an integer number (13766868864).

Almost surely, 2211020122022 is an apocalyptic number.

211020122022 is an abundant number, since it is smaller than the sum of its proper divisors (229519681626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211020122022 is a wasteful number, since it uses less digits than its factorization.

211020122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520804.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211020122022 its reverse (220221020112), we get a palindrome (431241142134).

The spelling of 211020122022 in words is "two hundred eleven billion, twenty million, one hundred twenty-two thousand, twenty-two".

Divisors: 1 2 3 6 23 46 69 138 2953 5906 8859 17718 67919 135838 203757 407514 517823 1035646 1553469 3106938 11909929 23819858 35729787 71459574 1529131319 3058262638 4587393957 9174787914 35170020337 70340040674 105510061011 211020122022