Base | Representation |
---|---|
bin | 1100111100011101… |
… | …10001111101000010 |
3 | 122221022222101200000 |
4 | 12132032301331002 |
5 | 103213102021200 |
6 | 3105334540430 |
7 | 334134661041 |
oct | 63616617502 |
9 | 18838871600 |
10 | 6949642050 |
11 | 2a46989a2a |
12 | 141b507716 |
13 | 869a53940 |
14 | 49cdac558 |
15 | 2aa1bd300 |
hex | 19e3b1f42 |
6949642050 has 288 divisors, whose sum is σ = 21770356608. Its totient is φ = 1635448320.
The previous prime is 6949642019. The next prime is 6949642079. The reversal of 6949642050 is 502469496.
6949642050 is a `hidden beast` number, since 6 + 94 + 96 + 420 + 50 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 6949641987 and 6949642005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3631894 + ... + 3633806.
It is an arithmetic number, because the mean of its divisors is an integer number (75591516).
Almost surely, 26949642050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6949642050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10885178304).
6949642050 is an abundant number, since it is smaller than the sum of its proper divisors (14820714558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6949642050 is a wasteful number, since it uses less digits than its factorization.
6949642050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1976 (or 1959 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 45.
The square root of 6949642050 is about 83364.5131335870. The cubic root of 6949642050 is about 1908.3329340697.
The spelling of 6949642050 in words is "six billion, nine hundred forty-nine million, six hundred forty-two thousand, fifty".
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