Base | Representation |
---|---|
bin | 100111010010100111… |
… | …000100111010010011 |
3 | 11000220011110211020120 |
4 | 213102213010322103 |
5 | 1142400132233010 |
6 | 31214142441323 |
7 | 3022314324612 |
oct | 472247047223 |
9 | 130804424216 |
10 | 42188164755 |
11 | 1698a134670 |
12 | 8214893243 |
13 | 3c944cbbc9 |
14 | 2083047879 |
15 | 116db66e70 |
hex | 9d29c4e93 |
42188164755 has 16 divisors (see below), whose sum is σ = 73637524224. Its totient is φ = 20454867680.
The previous prime is 42188164751. The next prime is 42188164757. The reversal of 42188164755 is 55746188124.
It is a happy number.
42188164755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42188164755 - 22 = 42188164751 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42188164698 and 42188164707.
It is not an unprimeable number, because it can be changed into a prime (42188164751) 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, 127842759 + ... + 127843088.
It is an arithmetic number, because the mean of its divisors is an integer number (4602345264).
Almost surely, 242188164755 is an apocalyptic number.
42188164755 is a deficient number, since it is larger than the sum of its proper divisors (31449359469).
42188164755 is a wasteful number, since it uses less digits than its factorization.
42188164755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255685866.
The product of its digits is 2150400, while the sum is 51.
The spelling of 42188164755 in words is "forty-two billion, one hundred eighty-eight million, one hundred sixty-four thousand, seven hundred fifty-five".
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