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13230122022 = 2321356538983
BaseRepresentation
bin11000101001001001…
…11010010000100110
31021011000210211112100
430110210322100212
5204043402401042
610024451232530
7645566116215
oct142444722046
937130724470
1013230122022
11567a071547
1226928a8746
13132ac74690
148d714d07c
1552675b24c
hex31493a426

13230122022 has 24 divisors (see below), whose sum is σ = 30870285264. Its totient is φ = 4070806704.

The previous prime is 13230122011. The next prime is 13230122027. The reversal of 13230122022 is 22022103231.

It is a super-2 number, since 2×132301220222 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13230121986 and 13230122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230122027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28269258 + ... + 28269725.

It is an arithmetic number, because the mean of its divisors is an integer number (1286261886).

Almost surely, 213230122022 is an apocalyptic number.

13230122022 is an abundant number, since it is smaller than the sum of its proper divisors (17640163242).

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

13230122022 is a wasteful number, since it uses less digits than its factorization.

13230122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56539004 (or 56539001 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13230122022 its reverse (22022103231), we get a palindrome (35252225253).

The spelling of 13230122022 in words is "thirteen billion, two hundred thirty million, one hundred twenty-two thousand, twenty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 56538983 113077966 169616949 339233898 508850847 735006779 1017701694 1470013558 2205020337 4410040674 6615061011 13230122022