Base | Representation |
---|---|
bin | 100011000011000101110010… |
… | …100000110110011010010000 |
3 | 202012210000121120021110020112 |
4 | 203003011302200312122100 |
5 | 130200443404120001430 |
6 | 1303500435511300452 |
7 | 44316352035624644 |
oct | 4303056240663220 |
9 | 665700546243215 |
10 | 154144002500240 |
11 | 4512a116981705 |
12 | 1535618267a728 |
13 | 680194251206c |
14 | 2a0c87678cc24 |
15 | 12c498c6c7195 |
hex | 8c3172836690 |
154144002500240 has 160 divisors (see below), whose sum is σ = 381116097303264. Its totient is φ = 57778704220160.
The previous prime is 154144002500167. The next prime is 154144002500249. The reversal of 154144002500240 is 42005200441451.
It can be written as a sum of positive squares in 16 ways, for example, as 536831705344 + 153607170794896 = 732688^2 + 12393836^2 .
It is a junction number, because it is equal to n+sod(n) for n = 154144002500197 and 154144002500206.
It is not an unprimeable number, because it can be changed into a prime (154144002500249) 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, 487860392 + ... + 488176248.
Almost surely, 2154144002500240 is an apocalyptic number.
154144002500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154144002500240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190558048651632).
154144002500240 is an abundant number, since it is smaller than the sum of its proper divisors (226972094803024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154144002500240 is a wasteful number, since it uses less digits than its factorization.
154144002500240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317445 (or 317439 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 32.
Adding to 154144002500240 its reverse (42005200441451), we get a palindrome (196149202941691).
The spelling of 154144002500240 in words is "one hundred fifty-four trillion, one hundred forty-four billion, two million, five hundred thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •