Base | Representation |
---|---|
bin | 111101000000011110… |
… | …0110011000001000100 |
3 | 110112011111000112101111 |
4 | 1322000330303001010 |
5 | 4121303141041012 |
6 | 140104123134404 |
7 | 12315416236600 |
oct | 1720074630104 |
9 | 415144015344 |
10 | 131012440132 |
11 | 5062011a412 |
12 | 21483974404 |
13 | c47b879132 |
14 | 64abb34500 |
15 | 361bba0ba7 |
hex | 1e80f33044 |
131012440132 has 18 divisors (see below), whose sum is σ = 266703896382. Its totient is φ = 56148188544.
The previous prime is 131012440123. The next prime is 131012440187. The reversal of 131012440132 is 231044210131.
It can be written as a sum of positive squares in only one way, i.e., 117063885316 + 13948554816 = 342146^2 + 118104^2 .
It is a super-3 number, since 3×1310124401323 (a number of 34 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334215213 + ... + 334215604.
Almost surely, 2131012440132 is an apocalyptic number.
It is an amenable number.
131012440132 is an abundant number, since it is smaller than the sum of its proper divisors (135691456250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131012440132 is a wasteful number, since it uses less digits than its factorization.
131012440132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 668430835 (or 668430826 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 131012440132 its reverse (231044210131), we get a palindrome (362056650263).
The spelling of 131012440132 in words is "one hundred thirty-one billion, twelve million, four hundred forty thousand, one hundred thirty-two".
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