Base | Representation |
---|---|
bin | 111101000000110000… |
… | …1110001011111101110 |
3 | 110112012011020222211010 |
4 | 1322001201301133232 |
5 | 4121313131230410 |
6 | 140105111010050 |
7 | 12315564520422 |
oct | 1720141613756 |
9 | 415164228733 |
10 | 131022133230 |
11 | 5062563aa3a |
12 | 21487069926 |
13 | c4808910b1 |
14 | 64ad138b82 |
15 | 361c967c20 |
hex | 1e818717ee |
131022133230 has 16 divisors (see below), whose sum is σ = 314453119824. Its totient is φ = 34939235520.
The previous prime is 131022133217. The next prime is 131022133271. The reversal of 131022133230 is 32331220131.
It is a super-2 number, since 2×1310221332302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131022133197 and 131022133206.
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, 2183702191 + ... + 2183702250.
It is an arithmetic number, because the mean of its divisors is an integer number (19653319989).
Almost surely, 2131022133230 is an apocalyptic number.
131022133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131022133230 is an abundant number, since it is smaller than the sum of its proper divisors (183430986594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131022133230 is a wasteful number, since it uses less digits than its factorization.
131022133230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4367404451.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 131022133230 its reverse (32331220131), we get a palindrome (163353353361).
The spelling of 131022133230 in words is "one hundred thirty-one billion, twenty-two million, one hundred thirty-three thousand, two hundred thirty".
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