Base | Representation |
---|---|
bin | 110010011010111101… |
… | …000000110111011001 |
3 | 12011202001122001100101 |
4 | 302122331000313121 |
5 | 1341334124340040 |
6 | 40512104535401 |
7 | 3624423253540 |
oct | 623275006731 |
9 | 164661561311 |
10 | 54139293145 |
11 | 20a62246283 |
12 | a5ab181561 |
13 | 514a4b1b02 |
14 | 2898383157 |
15 | 161ce8209a |
hex | c9af40dd9 |
54139293145 has 32 divisors (see below), whose sum is σ = 74619740160. Its totient is φ = 36938616000.
The previous prime is 54139293137. The next prime is 54139293149.
54139293145 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54139293145 - 23 = 54139293137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54139293095 and 54139293104.
It is not an unprimeable number, because it can be changed into a prime (54139293149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10741536 + ... + 10746574.
It is an arithmetic number, because the mean of its divisors is an integer number (2331866880).
Almost surely, 254139293145 is an apocalyptic number.
It is an amenable number.
54139293145 is a deficient number, since it is larger than the sum of its proper divisors (20480447015).
54139293145 is a wasteful number, since it uses less digits than its factorization.
54139293145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6525.
The product of its digits is 583200, while the sum is 46.
The spelling of 54139293145 in words is "fifty-four billion, one hundred thirty-nine million, two hundred ninety-three thousand, one hundred forty-five".
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