Base | Representation |
---|---|
bin | 10011010100111… |
… | …10100001111101 |
3 | 102022002001121111 |
4 | 21222132201331 |
5 | 313001130140 |
6 | 24031002021 |
7 | 4006040230 |
oct | 1152364175 |
9 | 368061544 |
10 | 162130045 |
11 | 83577780 |
12 | 46369311 |
13 | 2778814c |
14 | 17765417 |
15 | e3787ea |
hex | 9a9e87d |
162130045 has 32 divisors (see below), whose sum is σ = 243429120. Its totient is φ = 100707840.
The previous prime is 162130043. The next prime is 162130057. The reversal of 162130045 is 540031261.
It is not a de Polignac number, because 162130045 - 21 = 162130043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 162129998 and 162130025.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (162130043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143041 + ... + 144169.
It is an arithmetic number, because the mean of its divisors is an integer number (7607160).
Almost surely, 2162130045 is an apocalyptic number.
It is an amenable number.
162130045 is a deficient number, since it is larger than the sum of its proper divisors (81299075).
162130045 is a wasteful number, since it uses less digits than its factorization.
162130045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1525.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 162130045 is about 12733.0296866064. The cubic root of 162130045 is about 545.2820076299.
The spelling of 162130045 in words is "one hundred sixty-two million, one hundred thirty thousand, forty-five".
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