Base | Representation |
---|---|
bin | 1000011101000001111… |
… | …0011011111011101010 |
3 | 111212212102210200111110 |
4 | 2013100132123323222 |
5 | 4334413234413201 |
6 | 150415104211150 |
7 | 13330654616031 |
oct | 2072036337352 |
9 | 455772720443 |
10 | 145231560426 |
11 | 5665747a9a7 |
12 | 24191909ab6 |
13 | 109066a8194 |
14 | 705a369718 |
15 | 3ba01686d6 |
hex | 21d079beea |
145231560426 has 16 divisors (see below), whose sum is σ = 299832899328. Its totient is φ = 46848890400.
The previous prime is 145231560373. The next prime is 145231560427. The reversal of 145231560426 is 624065132541.
It is a super-2 number, since 2×1452315604262 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145231560427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390407235 + ... + 390407606.
It is an arithmetic number, because the mean of its divisors is an integer number (18739556208).
Almost surely, 2145231560426 is an apocalyptic number.
145231560426 is an abundant number, since it is smaller than the sum of its proper divisors (154601338902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145231560426 is a wasteful number, since it uses less digits than its factorization.
145231560426 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 780814877.
The product of its (nonzero) digits is 172800, while the sum is 39.
Adding to 145231560426 its reverse (624065132541), we get a palindrome (769296692967).
The spelling of 145231560426 in words is "one hundred forty-five billion, two hundred thirty-one million, five hundred sixty thousand, four hundred twenty-six".
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