Base | Representation |
---|---|
bin | 1110000111100000001111… |
… | …00010101001110011100010 |
3 | 11001220210101012101200110100 |
4 | 13003300013202221303202 |
5 | 13032111404413441010 |
6 | 150005252524243230 |
7 | 6352602660215031 |
oct | 703600742516342 |
9 | 131823335350410 |
10 | 31044150140130 |
11 | 9989828486766 |
12 | 35946930a0516 |
13 | 14425b252965a |
14 | 79478b238718 |
15 | 38c7e25582c0 |
hex | 1c3c078a9ce2 |
31044150140130 has 48 divisors (see below), whose sum is σ = 80723360108664. Its totient is φ = 8277561089280.
The previous prime is 31044150140111. The next prime is 31044150140137. The reversal of 31044150140130 is 3104105144013.
31044150140130 is a `hidden beast` number, since 3 + 1 + 0 + 441 + 50 + 1 + 40 + 130 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 11312937167841 + 19731212972289 = 3363471^2 + 4441983^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31044150140094 and 31044150140103.
It is not an unprimeable number, because it can be changed into a prime (31044150140137) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17458819 + ... + 19154598.
Almost surely, 231044150140130 is an apocalyptic number.
31044150140130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31044150140130 is an abundant number, since it is smaller than the sum of its proper divisors (49679209968534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31044150140130 is a wasteful number, since it uses less digits than its factorization.
31044150140130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36622851 (or 36622848 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 31044150140130 its reverse (3104105144013), we get a palindrome (34148255284143).
The spelling of 31044150140130 in words is "thirty-one trillion, forty-four billion, one hundred fifty million, one hundred forty thousand, one hundred thirty".
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