Base | Representation |
---|---|
bin | 1101111011000110… |
… | …11011000010111100 |
3 | 201021221210210212002 |
4 | 12331203123002330 |
5 | 110302114200230 |
6 | 3233430201432 |
7 | 353145462212 |
oct | 67543330274 |
9 | 21257723762 |
10 | 7475146940 |
11 | 3196586598 |
12 | 15474b3278 |
13 | 921898991 |
14 | 50cac2cb2 |
15 | 2db3c3545 |
hex | 1bd8db0bc |
7475146940 has 24 divisors (see below), whose sum is σ = 15699806640. Its totient is φ = 2989678208.
The previous prime is 7475146907. The next prime is 7475146949. The reversal of 7475146940 is 496415747.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7475146949) 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, 179759 + ... + 217401.
It is an arithmetic number, because the mean of its divisors is an integer number (654158610).
Almost surely, 27475146940 is an apocalyptic number.
It is an amenable number.
7475146940 is an abundant number, since it is smaller than the sum of its proper divisors (8224659700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7475146940 is a wasteful number, since it uses less digits than its factorization.
7475146940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47581 (or 47579 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 47.
The square root of 7475146940 is about 86458.9321007379. The cubic root of 7475146940 is about 1955.2692847975.
The spelling of 7475146940 in words is "seven billion, four hundred seventy-five million, one hundred forty-six thousand, nine hundred forty".
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