Base | Representation |
---|---|
bin | 1010001010010101… |
… | …01000010110000101 |
3 | 112002012021010002020 |
4 | 11011022220112011 |
5 | 42133034210033 |
6 | 2301155433353 |
7 | 252121660323 |
oct | 50512502605 |
9 | 15065233066 |
10 | 5455381893 |
11 | 234a46a185 |
12 | 1082bb5859 |
13 | 68c2c1130 |
14 | 39a760d13 |
15 | 21de096b3 |
hex | 1452a8585 |
5455381893 has 32 divisors (see below), whose sum is σ = 8206195200. Its totient is φ = 3200311296.
The previous prime is 5455381873. The next prime is 5455381903. The reversal of 5455381893 is 3981835545.
It is a happy number.
It is not a de Polignac number, because 5455381893 - 232 = 1160414597 is a prime.
It is a super-2 number, since 2×54553818932 = 59522383196944526898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5455381823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58821 + ... + 119877.
It is an arithmetic number, because the mean of its divisors is an integer number (256443600).
Almost surely, 25455381893 is an apocalyptic number.
It is an amenable number.
5455381893 is a deficient number, since it is larger than the sum of its proper divisors (2750813307).
5455381893 is a wasteful number, since it uses less digits than its factorization.
5455381893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61181.
The product of its digits is 2592000, while the sum is 51.
The square root of 5455381893 is about 73860.5570856327. The cubic root of 5455381893 is about 1760.3879453225.
The spelling of 5455381893 in words is "five billion, four hundred fifty-five million, three hundred eighty-one thousand, eight hundred ninety-three".
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