Base | Representation |
---|---|
bin | 1000111110010001010… |
… | …1010000001110101001 |
3 | 112201220022010200200201 |
4 | 2033210111100032221 |
5 | 10011202041211410 |
6 | 154452340432201 |
7 | 14065044516205 |
oct | 2174425201651 |
9 | 481808120621 |
10 | 154154632105 |
11 | 5a4162a8801 |
12 | 25a620a8661 |
13 | 116c9232256 |
14 | 7665477b05 |
15 | 40236eb83a |
hex | 23e45503a9 |
154154632105 has 8 divisors (see below), whose sum is σ = 185317672392. Its totient is φ = 123102296448.
The previous prime is 154154632033. The next prime is 154154632109. The reversal of 154154632105 is 501236451451.
It can be written as a sum of positive squares in 4 ways, for example, as 4252474521 + 149902157584 = 65211^2 + 387172^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 154154632105 - 211 = 154154630057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (154154632109) 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 7 ways as a sum of consecutive naturals, for example, 27673092 + ... + 27678661.
It is an arithmetic number, because the mean of its divisors is an integer number (23164709049).
Almost surely, 2154154632105 is an apocalyptic number.
It is an amenable number.
154154632105 is a deficient number, since it is larger than the sum of its proper divisors (31163040287).
154154632105 is an equidigital number, since it uses as much as digits as its factorization.
154154632105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55352315.
The product of its (nonzero) digits is 72000, while the sum is 37.
The spelling of 154154632105 in words is "one hundred fifty-four billion, one hundred fifty-four million, six hundred thirty-two thousand, one hundred five".
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