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11230312133220 = 2235187171868887
BaseRepresentation
bin1010001101101100001011…
…0000111111001001100100
31110202121101202120021110120
42203123002300333021210
52432444134401230340
635515044551521540
72236235414051505
oct243330260771144
943677352507416
1011230312133220
11363a826475484
1213146149892b0
1363602469391b
142ab79b312bac
151471d5d614d0
hexa36c2c3f264

11230312133220 has 24 divisors (see below), whose sum is σ = 31444873973184. Its totient is φ = 2994749902176.

The previous prime is 11230312133171. The next prime is 11230312133221. The reversal of 11230312133220 is 2233121303211.

It is a super-2 number, since 2×112303121332202 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11230312133221) 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, 93585934384 + ... + 93585934503.

It is an arithmetic number, because the mean of its divisors is an integer number (1310203082216).

Almost surely, 211230312133220 is an apocalyptic number.

11230312133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230312133220 is an abundant number, since it is smaller than the sum of its proper divisors (20214561839964).

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

11230312133220 is a wasteful number, since it uses less digits than its factorization.

11230312133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187171868899 (or 187171868897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11230312133220 its reverse (2233121303211), we get a palindrome (13463433436431).

The spelling of 11230312133220 in words is "eleven trillion, two hundred thirty billion, three hundred twelve million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 187171868887 374343737774 561515606661 748687475548 935859344435 1123031213322 1871718688870 2246062426644 2807578033305 3743437377740 5615156066610 11230312133220