Base | Representation |
---|---|
bin | 11000100101001101100100… |
… | …01101111100110011101110 |
3 | 21002101121210120202002001200 |
4 | 30102212302031330303232 |
5 | 24041114423233442200 |
6 | 310544332240350330 |
7 | 14246233043654511 |
oct | 1422466215746356 |
9 | 232347716662050 |
10 | 54055153421550 |
11 | 16250730989686 |
12 | 60903016153a6 |
13 | 24214c0b46398 |
14 | d4c3d7874d78 |
15 | 63b172b1e800 |
hex | 3129b237ccee |
54055153421550 has 288 divisors, whose sum is σ = 156170830712832. Its totient is φ = 13355326448640.
The previous prime is 54055153421539. The next prime is 54055153421569. The reversal of 54055153421550 is 5512435155045.
54055153421550 is a `hidden beast` number, since 5 + 4 + 0 + 5 + 5 + 1 + 53 + 42 + 1 + 550 = 666.
It is a super-2 number, since 2×540551534215502 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 54055153421496 and 54055153421505.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 780579027 + ... + 780648273.
It is an arithmetic number, because the mean of its divisors is an integer number (542259828864).
Almost surely, 254055153421550 is an apocalyptic number.
54055153421550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 54055153421550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78085415356416).
54055153421550 is an abundant number, since it is smaller than the sum of its proper divisors (102115677291282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54055153421550 is a wasteful number, since it uses less digits than its factorization.
54055153421550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70872 (or 70864 counting only the distinct ones).
The product of its (nonzero) digits is 1500000, while the sum is 45.
Adding to 54055153421550 its reverse (5512435155045), we get a palindrome (59567588576595).
The spelling of 54055153421550 in words is "fifty-four trillion, fifty-five billion, one hundred fifty-three million, four hundred twenty-one thousand, five hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •