Base | Representation |
---|---|
bin | 100011000010110011001010… |
… | …011011000011101011010010 |
3 | 202012201002222201211012212100 |
4 | 203002303022123003223102 |
5 | 130200131424122241432 |
6 | 1303443331142541230 |
7 | 44315043314025450 |
oct | 4302631233035322 |
9 | 665632881735770 |
10 | 154124002540242 |
11 | 4512169347a749 |
12 | 15352320737816 |
13 | 67ccaa5b4c6c7 |
14 | 2a0b8da4b79d0 |
15 | 12c41bb96807c |
hex | 8c2cca6c3ad2 |
154124002540242 has 48 divisors (see below), whose sum is σ = 381641240635200. Its totient is φ = 44035330828896.
The previous prime is 154124002540241. The next prime is 154124002540283. The reversal of 154124002540242 is 242045200421451.
154124002540242 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 2 + 400 + 2 + 5 + 4 + 0 + 242 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 154124002540197 and 154124002540206.
It is not an unprimeable number, because it can be changed into a prime (154124002540241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69870733 + ... + 72042815.
It is an arithmetic number, because the mean of its divisors is an integer number (7950859179900).
Almost surely, 2154124002540242 is an apocalyptic number.
154124002540242 is an abundant number, since it is smaller than the sum of its proper divisors (227517238094958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154124002540242 is a wasteful number, since it uses less digits than its factorization.
154124002540242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2735247 (or 2735244 counting only the distinct ones).
The product of its (nonzero) digits is 102400, while the sum is 36.
Adding to 154124002540242 its reverse (242045200421451), we get a palindrome (396169202961693).
The spelling of 154124002540242 in words is "one hundred fifty-four trillion, one hundred twenty-four billion, two million, five hundred forty thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •