Base | Representation |
---|---|
bin | 1101001110001011101… |
… | …10010001110000011100 |
3 | 1121102121022111011021022 |
4 | 12213011312101300130 |
5 | 24420341432444030 |
6 | 544410502423312 |
7 | 44551515663131 |
oct | 6470566216034 |
9 | 1542538434238 |
10 | 454290906140 |
11 | 165733411775 |
12 | 74065131b38 |
13 | 33abb365286 |
14 | 17db8730588 |
15 | bc3cd27de5 |
hex | 69c5d91c1c |
454290906140 has 24 divisors (see below), whose sum is σ = 986907831840. Its totient is φ = 175450280768.
The previous prime is 454290906133. The next prime is 454290906241. The reversal of 454290906140 is 41609092454.
It is a junction number, because it is equal to n+sod(n) for n = 454290906091 and 454290906100.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391629512 + ... + 391630671.
It is an arithmetic number, because the mean of its divisors is an integer number (41121159660).
Almost surely, 2454290906140 is an apocalyptic number.
It is an amenable number.
454290906140 is an abundant number, since it is smaller than the sum of its proper divisors (532616925700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454290906140 is a wasteful number, since it uses less digits than its factorization.
454290906140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 783260221 (or 783260219 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 44.
Adding to 454290906140 its reverse (41609092454), we get a palindrome (495899998594).
The spelling of 454290906140 in words is "four hundred fifty-four billion, two hundred ninety million, nine hundred six thousand, one hundred forty".
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