Base | Representation |
---|---|
bin | 101111111111110111… |
… | …0001111101111111101 |
3 | 100212001102222020002010 |
4 | 1133333232033233331 |
5 | 3142044041423041 |
6 | 115203553321433 |
7 | 10306166212155 |
oct | 1377756175775 |
9 | 325042866063 |
10 | 103074561021 |
11 | 3a7939a2323 |
12 | 17b87566279 |
13 | 994879b813 |
14 | 4dbb515765 |
15 | 2a3410aa16 |
hex | 17ffb8fbfd |
103074561021 has 16 divisors (see below), whose sum is σ = 137645653824. Its totient is φ = 68610008064.
The previous prime is 103074560999. The next prime is 103074561047. The reversal of 103074561021 is 120165470301.
It is not a de Polignac number, because 103074561021 - 219 = 103074036733 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 103074561021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103074569021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5404915 + ... + 5423951.
It is an arithmetic number, because the mean of its divisors is an integer number (8602853364).
Almost surely, 2103074561021 is an apocalyptic number.
It is an amenable number.
103074561021 is a deficient number, since it is larger than the sum of its proper divisors (34571092803).
103074561021 is a wasteful number, since it uses less digits than its factorization.
103074561021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21740.
The product of its (nonzero) digits is 5040, while the sum is 30.
The spelling of 103074561021 in words is "one hundred three billion, seventy-four million, five hundred sixty-one thousand, twenty-one".
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