Base | Representation |
---|---|
bin | 110010011011110111… |
… | …100000001111100101 |
3 | 12011210010111001002200 |
4 | 302123313200033211 |
5 | 1341402041013041 |
6 | 40513413325113 |
7 | 3625000504026 |
oct | 623367401745 |
9 | 164703431080 |
10 | 54154626021 |
11 | 20a6a969081 |
12 | a5b4336799 |
13 | 515071cb12 |
14 | 289a414c4d |
15 | 161e4b01b6 |
hex | c9bde03e5 |
54154626021 has 12 divisors (see below), whose sum is σ = 78245982048. Its totient is φ = 36092637864.
The previous prime is 54154625983. The next prime is 54154626061. The reversal of 54154626021 is 12062645145.
54154626021 is a `hidden beast` number, since 5 + 4 + 1 + 5 + 4 + 626 + 0 + 21 = 666.
It is not a de Polignac number, because 54154626021 - 29 = 54154625509 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54154626061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837615 + ... + 899948.
It is an arithmetic number, because the mean of its divisors is an integer number (6520498504).
Almost surely, 254154626021 is an apocalyptic number.
It is an amenable number.
54154626021 is a deficient number, since it is larger than the sum of its proper divisors (24091356027).
54154626021 is a wasteful number, since it uses less digits than its factorization.
54154626021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1741032 (or 1741029 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The spelling of 54154626021 in words is "fifty-four billion, one hundred fifty-four million, six hundred twenty-six thousand, twenty-one".
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