Base | Representation |
---|---|
bin | 1111100111101… |
… | …01011100001100 |
3 | 100010112221122121 |
4 | 13303311130030 |
5 | 232020404443 |
6 | 21000222324 |
7 | 3150504004 |
oct | 763653414 |
9 | 303487577 |
10 | 131028748 |
11 | 67a64924 |
12 | 37a6a9a4 |
13 | 211b8b06 |
14 | 1358b004 |
15 | b7834ed |
hex | 7cf570c |
131028748 has 6 divisors (see below), whose sum is σ = 229300316. Its totient is φ = 65514372.
The previous prime is 131028739. The next prime is 131028761. The reversal of 131028748 is 847820131.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16378590 + ... + 16378597.
Almost surely, 2131028748 is an apocalyptic number.
It is an amenable number.
131028748 is a deficient number, since it is larger than the sum of its proper divisors (98271568).
131028748 is a wasteful number, since it uses less digits than its factorization.
131028748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32757191 (or 32757189 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 131028748 is about 11446.7789355783. The cubic root of 131028748 is about 507.9124562394.
Adding to 131028748 its reverse (847820131), we get a palindrome (978848879).
The spelling of 131028748 in words is "one hundred thirty-one million, twenty-eight thousand, seven hundred forty-eight".
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