Base | Representation |
---|---|
bin | 1111110001110011000… |
… | …10100000001101101110 |
3 | 1220211100001112201110002 |
4 | 13320321202200031232 |
5 | 32340241043203304 |
6 | 1053015053344302 |
7 | 54111342245420 |
oct | 7707142401556 |
9 | 1824301481402 |
10 | 542131225454 |
11 | 199a09a41795 |
12 | 8909a798092 |
13 | 3c179901b90 |
14 | 1c34c888810 |
15 | e17e79e31e |
hex | 7e398a036e |
542131225454 has 64 divisors (see below), whose sum is σ = 1006637829120. Its totient is φ = 213234128640.
The previous prime is 542131225453. The next prime is 542131225459. The reversal of 542131225454 is 454522131245.
It is a super-2 number, since 2×5421312254542 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542131225453) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24927317 + ... + 24949055.
It is an arithmetic number, because the mean of its divisors is an integer number (15728716080).
Almost surely, 2542131225454 is an apocalyptic number.
542131225454 is a deficient number, since it is larger than the sum of its proper divisors (464506603666).
542131225454 is a wasteful number, since it uses less digits than its factorization.
542131225454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22545.
The product of its digits is 192000, while the sum is 38.
Adding to 542131225454 its reverse (454522131245), we get a palindrome (996653356699).
The spelling of 542131225454 in words is "five hundred forty-two billion, one hundred thirty-one million, two hundred twenty-five thousand, four hundred fifty-four".
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