Base | Representation |
---|---|
bin | 10011101001000111… |
… | …11111110100111101 |
3 | 1000012221021100000202 |
4 | 21310203333310331 |
5 | 133044123400000 |
6 | 4502231133245 |
7 | 522220336646 |
oct | 116443776475 |
9 | 30187240022 |
10 | 10545528125 |
11 | 4521748400 |
12 | 2063814225 |
13 | cc0a23392 |
14 | 7207aa6cd |
15 | 41ac1add5 |
hex | 2748ffd3d |
10545528125 has 54 divisors (see below), whose sum is σ = 14575555386. Its totient is φ = 7623550000.
The previous prime is 10545528121. The next prime is 10545528157. The reversal of 10545528125 is 52182554501.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 3 ways, for example, as 4872877636 + 5672650489 = 69806^2 + 75317^2 .
It is not a de Polignac number, because 10545528125 - 22 = 10545528121 is a prime.
It is a super-2 number, since 2×105455281252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10545528121) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 63146792 + ... + 63146958.
Almost surely, 210545528125 is an apocalyptic number.
It is an amenable number.
10545528125 is a deficient number, since it is larger than the sum of its proper divisors (4030027261).
10545528125 is an frugal number, since it uses more digits than its factorization.
10545528125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381 (or 183 counting only the distinct ones).
The product of its (nonzero) digits is 80000, while the sum is 38.
The spelling of 10545528125 in words is "ten billion, five hundred forty-five million, five hundred twenty-eight thousand, one hundred twenty-five".
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