Base | Representation |
---|---|
bin | 111111111010010000… |
… | …1010010111011001001 |
3 | 111010020221020020010201 |
4 | 1333310201102323021 |
5 | 4222040031331040 |
6 | 143014453412201 |
7 | 12626043525124 |
oct | 1776441227311 |
9 | 433227206121 |
10 | 137246355145 |
11 | 53229a97a99 |
12 | 2272363a061 |
13 | cc33245143 |
14 | 68dda333bb |
15 | 38840e1a9a |
hex | 1ff4852ec9 |
137246355145 has 8 divisors (see below), whose sum is σ = 164700030600. Its totient is φ = 109794147840.
The previous prime is 137246355139. The next prime is 137246355167. The reversal of 137246355145 is 541553642731.
It can be written as a sum of positive squares in 4 ways, for example, as 6059688336 + 131186666809 = 77844^2 + 362197^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 137246355145 - 23 = 137246355137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 137246355095 and 137246355104.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149670 + ... + 544879.
It is an arithmetic number, because the mean of its divisors is an integer number (20587503825).
Almost surely, 2137246355145 is an apocalyptic number.
It is an amenable number.
137246355145 is a deficient number, since it is larger than the sum of its proper divisors (27453675455).
137246355145 is an equidigital number, since it uses as much as digits as its factorization.
137246355145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 734075.
The product of its digits is 1512000, while the sum is 46.
Adding to 137246355145 its reverse (541553642731), we get a palindrome (678799997876).
The spelling of 137246355145 in words is "one hundred thirty-seven billion, two hundred forty-six million, three hundred fifty-five thousand, one hundred forty-five".
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