Base | Representation |
---|---|
bin | 111101000000000111… |
… | …0001100011001011000 |
3 | 110112010122000212001222 |
4 | 1322000032030121120 |
5 | 4121242024121240 |
6 | 140103005231212 |
7 | 12315210345221 |
oct | 1720016143130 |
9 | 415118025058 |
10 | 131000223320 |
11 | 5061423577a |
12 | 2147b862508 |
13 | c47918c555 |
14 | 64aa274248 |
15 | 361aa8aeb5 |
hex | 1e8038c658 |
131000223320 has 32 divisors (see below), whose sum is σ = 304914315600. Its totient is φ = 50593189248.
The previous prime is 131000223307. The next prime is 131000223373. The reversal of 131000223320 is 23322000131.
131000223320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1310002233202 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56464454 + ... + 56466773.
Almost surely, 2131000223320 is an apocalyptic number.
131000223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131000223320 is an abundant number, since it is smaller than the sum of its proper divisors (173914092280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131000223320 is a wasteful number, since it uses less digits than its factorization.
131000223320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112931267 (or 112931263 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 131000223320 its reverse (23322000131), we get a palindrome (154322223451).
The spelling of 131000223320 in words is "one hundred thirty-one billion, two hundred twenty-three thousand, three hundred twenty".
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