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11213122232 = 23131953107069
BaseRepresentation
bin10100111000101101…
…01010101010111000
31001221110110121222102
422130112222222320
5140431024402412
65052400042532
7544604652314
oct123426525270
931843417872
1011213122232
114834573774
12220b303448
131099127690
1478530ab44
1545963b8c2
hex29c5aaab8

11213122232 has 64 divisors (see below), whose sum is σ = 24283476000. Its totient is φ = 4810351104.

The previous prime is 11213122231. The next prime is 11213122241. The reversal of 11213122232 is 23222131211.

11213122232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112131222322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51194 + ... + 158262.

Almost surely, 211213122232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11213122232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12141738000).

11213122232 is an abundant number, since it is smaller than the sum of its proper divisors (13070353768).

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

11213122232 is a wasteful number, since it uses less digits than its factorization.

11213122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107160 (or 107156 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 11213122232 its reverse (23222131211), we get a palindrome (34435253443).

The spelling of 11213122232 in words is "eleven billion, two hundred thirteen million, one hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 19 26 38 52 53 76 104 106 152 212 247 424 494 689 988 1007 1378 1976 2014 2756 4028 5512 8056 13091 26182 52364 104728 107069 214138 428276 856552 1391897 2034311 2783794 4068622 5567588 5674657 8137244 11135176 11349314 16274488 22698628 26446043 45397256 52892086 73770541 105784172 107818483 147541082 211568344 215636966 295082164 431273932 590164328 862547864 1401640279 2803280558 5606561116 11213122232