Base | Representation |
---|---|
bin | 100000010110101101… |
… | …0100110010100001110 |
3 | 20122100021120001112100 |
4 | 1000231122212110032 |
5 | 2114244221033032 |
6 | 51530324015530 |
7 | 5006546234454 |
oct | 1005532462416 |
9 | 218307501470 |
10 | 69481424142 |
11 | 275154a8389 |
12 | 115712315a6 |
13 | 6723b8a430 |
14 | 3511bc69d4 |
15 | 1c19d2897c |
hex | 102d6a650e |
69481424142 has 48 divisors (see below), whose sum is σ = 164175560640. Its totient is φ = 21108275136.
The previous prime is 69481424141. The next prime is 69481424143. The reversal of 69481424142 is 24142418496.
69481424142 is a `hidden beast` number, since 6 + 9 + 4 + 81 + 424 + 142 = 666.
It is an interprime number because it is at equal distance from previous prime (69481424141) and next prime (69481424143).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69481424141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860813 + ... + 1897784.
It is an arithmetic number, because the mean of its divisors is an integer number (3420324180).
Almost surely, 269481424142 is an apocalyptic number.
69481424142 is an abundant number, since it is smaller than the sum of its proper divisors (94694136498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69481424142 is a wasteful number, since it uses less digits than its factorization.
69481424142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3758697 (or 3758694 counting only the distinct ones).
The product of its digits is 442368, while the sum is 45.
The spelling of 69481424142 in words is "sixty-nine billion, four hundred eighty-one million, four hundred twenty-four thousand, one hundred forty-two".
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