Base | Representation |
---|---|
bin | 1001010111110011… |
… | …01010111101000000 |
3 | 110222122122222022000 |
4 | 10223321222331000 |
5 | 40301031140403 |
6 | 2151134344000 |
7 | 235454043624 |
oct | 45371527500 |
9 | 13878588260 |
10 | 5031505728 |
11 | 21521767a7 |
12 | b8505b000 |
13 | 622540032 |
14 | 35a343184 |
15 | 1e6acb7a3 |
hex | 12be6af40 |
5031505728 has 112 divisors (see below), whose sum is σ = 14994696960. Its totient is φ = 1654152192.
The previous prime is 5031505709. The next prime is 5031505757. The reversal of 5031505728 is 8275051305.
5031505728 is a `hidden beast` number, since 5 + 0 + 31 + 50 + 572 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 5031505692 and 5031505701.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106201 + ... + 146087.
Almost surely, 25031505728 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5031505728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7497348480).
5031505728 is an abundant number, since it is smaller than the sum of its proper divisors (9963191232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5031505728 is a wasteful number, since it uses less digits than its factorization.
5031505728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39981 (or 39965 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The square root of 5031505728 is about 70933.1074181866. The cubic root of 5031505728 is about 1713.5600317083.
The spelling of 5031505728 in words is "five billion, thirty-one million, five hundred five thousand, seven hundred twenty-eight".
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