Base | Representation |
---|---|
bin | 1000111111101101101… |
… | …1110010001101100010 |
3 | 112202220022110012111202 |
4 | 2033323123302031202 |
5 | 10013000302021010 |
6 | 154555024041202 |
7 | 14110462124354 |
oct | 2177333621542 |
9 | 482808405452 |
10 | 154542220130 |
11 | 5a5a5066391 |
12 | 25b4ba63202 |
13 | 1175b61918c |
14 | 76a0b2b0d4 |
15 | 404775c6a5 |
hex | 23fb6f2362 |
154542220130 has 32 divisors (see below), whose sum is σ = 279241447680. Its totient is φ = 61580386240.
The previous prime is 154542220111. The next prime is 154542220139. The reversal of 154542220130 is 31022245451.
It is a junction number, because it is equal to n+sod(n) for n = 154542220093 and 154542220102.
It is not an unprimeable number, because it can be changed into a prime (154542220139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4926395 + ... + 4957665.
It is an arithmetic number, because the mean of its divisors is an integer number (8726295240).
Almost surely, 2154542220130 is an apocalyptic number.
154542220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154542220130 is a deficient number, since it is larger than the sum of its proper divisors (124699227550).
154542220130 is a wasteful number, since it uses less digits than its factorization.
154542220130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33154.
The product of its (nonzero) digits is 9600, while the sum is 29.
Adding to 154542220130 its reverse (31022245451), we get a palindrome (185564465581).
The spelling of 154542220130 in words is "one hundred fifty-four billion, five hundred forty-two million, two hundred twenty thousand, one hundred thirty".
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