Base | Representation |
---|---|
bin | 1010010111111100011… |
… | …1011001110001011110 |
3 | 122001000220020102200120 |
4 | 2211333013121301132 |
5 | 10410001413244032 |
6 | 213513120135410 |
7 | 15606420414663 |
oct | 2457707316136 |
9 | 561026212616 |
10 | 178226306142 |
11 | 69649115795 |
12 | 2a65b767566 |
13 | 13a64335061 |
14 | 88aa40da6a |
15 | 4981b4962c |
hex | 297f1d9c5e |
178226306142 has 32 divisors (see below), whose sum is σ = 368209121280. Its totient is φ = 57452038560.
The previous prime is 178226306101. The next prime is 178226306201. The reversal of 178226306142 is 241603622871.
It is a junction number, because it is equal to n+sod(n) for n = 178226306094 and 178226306103.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69478 + ... + 601065.
It is an arithmetic number, because the mean of its divisors is an integer number (11506535040).
Almost surely, 2178226306142 is an apocalyptic number.
178226306142 is an abundant number, since it is smaller than the sum of its proper divisors (189982815138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
178226306142 is a wasteful number, since it uses less digits than its factorization.
178226306142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 672008.
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 178226306142 in words is "one hundred seventy-eight billion, two hundred twenty-six million, three hundred six thousand, one hundred forty-two".
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