Base | Representation |
---|---|
bin | 100011000111011001100101… |
… | …111111000010100110101000 |
3 | 202020211100000020201220200211 |
4 | 203013121211333002212220 |
5 | 130220321404113212440 |
6 | 1304244453450110504 |
7 | 44346634524041602 |
oct | 4307314577024650 |
9 | 666740006656624 |
10 | 154440145054120 |
11 | 45233774700602 |
12 | 153a365011b434 |
13 | 6823849111b73 |
14 | 2a1cd2b488172 |
15 | 12cc5213bdeea |
hex | 8c7665fc29a8 |
154440145054120 has 16 divisors (see below), whose sum is σ = 347490326371860. Its totient is φ = 61776058021632.
The previous prime is 154440145054109. The next prime is 154440145054193. The reversal of 154440145054120 is 21450541044451.
154440145054120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 140531019558084 + 13909125496036 = 11854578^2 + 3729494^2 .
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3861003626353 = 154440145054120 / (1 + 5 + 4 + 4 + 4 + 0 + 1 + 4 + 5 + 0 + 5 + 4 + 1 + 2 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930501813137 + ... + 1930501813216.
Almost surely, 2154440145054120 is an apocalyptic number.
154440145054120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154440145054120 is an abundant number, since it is smaller than the sum of its proper divisors (193050181317740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154440145054120 is a wasteful number, since it uses less digits than its factorization.
154440145054120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3861003626364 (or 3861003626360 counting only the distinct ones).
The product of its (nonzero) digits is 256000, while the sum is 40.
Adding to 154440145054120 its reverse (21450541044451), we get a palindrome (175890686098571).
The spelling of 154440145054120 in words is "one hundred fifty-four trillion, four hundred forty billion, one hundred forty-five million, fifty-four thousand, one hundred twenty".
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