Base | Representation |
---|---|
bin | 11000111111001100101010… |
… | …00101100001101111101101 |
3 | 21012112222102211201200021121 |
4 | 30133212111011201233231 |
5 | 24200232020033344403 |
6 | 312510434304300541 |
7 | 14400602051402251 |
oct | 1437462505415755 |
9 | 235488384650247 |
10 | 54948017871853 |
11 | 16565361662367 |
12 | 61b5364011751 |
13 | 24877641b9a22 |
14 | d7d6d92d8261 |
15 | 6544cd9a93bd |
hex | 31f995161bed |
54948017871853 has 2 divisors, whose sum is σ = 54948017871854. Its totient is φ = 54948017871852.
The previous prime is 54948017871841. The next prime is 54948017871881. The reversal of 54948017871853 is 35817871084945.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49600440246564 + 5347577625289 = 7042758^2 + 2312483^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54948017871853 is a prime.
It is a super-2 number, since 2×549480178718532 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54948017871823) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27474008935926 + 27474008935927.
It is an arithmetic number, because the mean of its divisors is an integer number (27474008935927).
Almost surely, 254948017871853 is an apocalyptic number.
It is an amenable number.
54948017871853 is a deficient number, since it is larger than the sum of its proper divisors (1).
54948017871853 is an equidigital number, since it uses as much as digits as its factorization.
54948017871853 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 270950400, while the sum is 70.
The spelling of 54948017871853 in words is "fifty-four trillion, nine hundred forty-eight billion, seventeen million, eight hundred seventy-one thousand, eight hundred fifty-three".
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