Base | Representation |
---|---|
bin | 110011001000101001… |
… | …100100011011100101 |
3 | 12020201111020010221002 |
4 | 303020221210123211 |
5 | 1344421410313002 |
6 | 41120133003045 |
7 | 3652422566534 |
oct | 631051443345 |
9 | 166644203832 |
10 | 54905947877 |
11 | 21315a81330 |
12 | a783a83485 |
13 | 524028b171 |
14 | 292c10c31b |
15 | 166541e002 |
hex | cc8a646e5 |
54905947877 has 16 divisors (see below), whose sum is σ = 60303083904. Its totient is φ = 49576896000.
The previous prime is 54905947871. The next prime is 54905947883. The reversal of 54905947877 is 77874950945.
It is an interprime number because it is at equal distance from previous prime (54905947871) and next prime (54905947883).
It is a cyclic number.
It is not a de Polignac number, because 54905947877 - 24 = 54905947861 is a prime.
It is a super-2 number, since 2×549059478772 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54905947871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2489177 + ... + 2511137.
It is an arithmetic number, because the mean of its divisors is an integer number (3768942744).
Almost surely, 254905947877 is an apocalyptic number.
It is an amenable number.
54905947877 is a deficient number, since it is larger than the sum of its proper divisors (5397136027).
54905947877 is a wasteful number, since it uses less digits than its factorization.
54905947877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23500.
The product of its (nonzero) digits is 88905600, while the sum is 65.
The spelling of 54905947877 in words is "fifty-four billion, nine hundred five million, nine hundred forty-seven thousand, eight hundred seventy-seven".
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