Base | Representation |
---|---|
bin | 110111111100110111… |
… | …1001001101010101111 |
3 | 102111010201221211110121 |
4 | 1233321233021222233 |
5 | 3432033411113033 |
6 | 131110433145411 |
7 | 11452346120035 |
oct | 1577157115257 |
9 | 374121854417 |
10 | 120154004143 |
11 | 46a58891778 |
12 | 1b3533bb267 |
13 | b43b088994 |
14 | 5b5b994555 |
15 | 31d377662d |
hex | 1bf9bc9aaf |
120154004143 has 4 divisors (see below), whose sum is σ = 120175631800. Its totient is φ = 120132376488.
The previous prime is 120154004077. The next prime is 120154004207. The reversal of 120154004143 is 341400451021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120154004143 is a prime.
It is a super-2 number, since 2×1201540041432 (a number of 23 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 (120154004543) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10805493 + ... + 10816606.
It is an arithmetic number, because the mean of its divisors is an integer number (30043907950).
Almost surely, 2120154004143 is an apocalyptic number.
120154004143 is a deficient number, since it is larger than the sum of its proper divisors (21627657).
120154004143 is an equidigital number, since it uses as much as digits as its factorization.
120154004143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21627656.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 120154004143 its reverse (341400451021), we get a palindrome (461554455164).
The spelling of 120154004143 in words is "one hundred twenty billion, one hundred fifty-four million, four thousand, one hundred forty-three".
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