Base | Representation |
---|---|
bin | 11101110101100111… |
… | …111000110000001101 |
3 | 10001200210110020020011 |
4 | 131311213320300031 |
5 | 1011103232131141 |
6 | 22415040553221 |
7 | 2212635610300 |
oct | 356547706015 |
9 | 101623406204 |
10 | 32038161421 |
11 | 12650785962 |
12 | 6261622811 |
13 | 3037711186 |
14 | 179cdd8b37 |
15 | c77a28881 |
hex | 7759f8c0d |
32038161421 has 12 divisors (see below), whose sum is σ = 37879850460. Its totient is φ = 27011093760.
The previous prime is 32038161409. The next prime is 32038161431. The reversal of 32038161421 is 12416183023.
It can be written as a sum of positive squares in 2 ways, for example, as 987844900 + 31050316521 = 31430^2 + 176211^2 .
It is not a de Polignac number, because 32038161421 - 27 = 32038161293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32038161401) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5356356 + ... + 5362333.
It is an arithmetic number, because the mean of its divisors is an integer number (3156654205).
Almost surely, 232038161421 is an apocalyptic number.
It is an amenable number.
32038161421 is a deficient number, since it is larger than the sum of its proper divisors (5841689039).
32038161421 is a wasteful number, since it uses less digits than its factorization.
32038161421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10718764 (or 10718757 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The spelling of 32038161421 in words is "thirty-two billion, thirty-eight million, one hundred sixty-one thousand, four hundred twenty-one".
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