Base | Representation |
---|---|
bin | 1100111011000101… |
… | …11011001011111000 |
3 | 122220112100022101220 |
4 | 12131202323023320 |
5 | 103202131124103 |
6 | 3104244312040 |
7 | 333635156346 |
oct | 63542731370 |
9 | 18815308356 |
10 | 6938145528 |
11 | 2a40447476 |
12 | 14176a2620 |
13 | 867559b72 |
14 | 49b658996 |
15 | 2a919bc53 |
hex | 19d8bb2f8 |
6938145528 has 32 divisors (see below), whose sum is σ = 17356626000. Its totient is φ = 2311213568.
The previous prime is 6938145527. The next prime is 6938145541. The reversal of 6938145528 is 8255418396.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6938145527) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55803 + ... + 130346.
Almost surely, 26938145528 is an apocalyptic number.
It is an amenable number.
6938145528 is an abundant number, since it is smaller than the sum of its proper divisors (10418480472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6938145528 is a wasteful number, since it uses less digits than its factorization.
6938145528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187711 (or 187707 counting only the distinct ones).
The product of its digits is 2073600, while the sum is 51.
The square root of 6938145528 is about 83295.5312606865. The cubic root of 6938145528 is about 1907.2800596795.
The spelling of 6938145528 in words is "six billion, nine hundred thirty-eight million, one hundred forty-five thousand, five hundred twenty-eight".
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