Base | Representation |
---|---|
bin | 1111101010101… |
… | …01001101101010 |
3 | 100011021212202201 |
4 | 13311111031222 |
5 | 232120433114 |
6 | 21012450414 |
7 | 3154026463 |
oct | 765251552 |
9 | 304255681 |
10 | 131421034 |
11 | 68202628 |
12 | 38019a0a |
13 | 212c5534 |
14 | 1364dd6a |
15 | b80e874 |
hex | 7d5536a |
131421034 has 32 divisors (see below), whose sum is σ = 210190464. Its totient is φ = 61501440.
The previous prime is 131421013. The next prime is 131421053. The reversal of 131421034 is 430124131.
131421034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680842 + ... + 681034.
It is an arithmetic number, because the mean of its divisors is an integer number (6568452).
Almost surely, 2131421034 is an apocalyptic number.
131421034 is a deficient number, since it is larger than the sum of its proper divisors (78769430).
131421034 is a wasteful number, since it uses less digits than its factorization.
131421034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 462.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 131421034 is about 11463.9013429111. The cubic root of 131421034 is about 508.4188296818.
Adding to 131421034 its reverse (430124131), we get a palindrome (561545165).
The spelling of 131421034 in words is "one hundred thirty-one million, four hundred twenty-one thousand, thirty-four".
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