Base | Representation |
---|---|
bin | 111101000110010111… |
… | …0100011000011100100 |
3 | 110112200020211012120002 |
4 | 1322030232203003210 |
5 | 4122204232000312 |
6 | 140135502200432 |
7 | 12323335602332 |
oct | 1721456430344 |
9 | 415606735502 |
10 | 131210031332 |
11 | 50711707626 |
12 | 21519b83118 |
13 | c4b079bbc3 |
14 | 64ca08ab52 |
15 | 362e1d14c2 |
hex | 1e8cba30e4 |
131210031332 has 12 divisors (see below), whose sum is σ = 229916152620. Its totient is φ = 65519702016.
The previous prime is 131210031319. The next prime is 131210031341. The reversal of 131210031332 is 233130012131.
It can be written as a sum of positive squares in 2 ways, for example, as 66965018176 + 64245013156 = 258776^2 + 253466^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21324953 + ... + 21331104.
It is an arithmetic number, because the mean of its divisors is an integer number (19159679385).
Almost surely, 2131210031332 is an apocalyptic number.
It is an amenable number.
131210031332 is a deficient number, since it is larger than the sum of its proper divisors (98706121288).
131210031332 is a wasteful number, since it uses less digits than its factorization.
131210031332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42656830 (or 42656828 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131210031332 its reverse (233130012131), we get a palindrome (364340043463).
The spelling of 131210031332 in words is "one hundred thirty-one billion, two hundred ten million, thirty-one thousand, three hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •