Base | Representation |
---|---|
bin | 100000001100100110… |
… | …1011011111111111000 |
3 | 20121110122200100120012 |
4 | 1000121031123333320 |
5 | 2113100430222223 |
6 | 51432534121052 |
7 | 4665261645443 |
oct | 1003115337770 |
9 | 217418610505 |
10 | 69142429688 |
11 | 2736110a882 |
12 | 114977b0188 |
13 | 669b8886b7 |
14 | 34bcb8265a |
15 | 1bea1b5c78 |
hex | 101935bff8 |
69142429688 has 8 divisors (see below), whose sum is σ = 129642055680. Its totient is φ = 34571214840.
The previous prime is 69142429687. The next prime is 69142429709. The reversal of 69142429688 is 88692424196.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69142429687) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4321401848 + ... + 4321401863.
It is an arithmetic number, because the mean of its divisors is an integer number (16205256960).
Almost surely, 269142429688 is an apocalyptic number.
It is an amenable number.
69142429688 is a deficient number, since it is larger than the sum of its proper divisors (60499625992).
69142429688 is a wasteful number, since it uses less digits than its factorization.
69142429688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8642803717 (or 8642803713 counting only the distinct ones).
The product of its digits is 11943936, while the sum is 59.
The spelling of 69142429688 in words is "sixty-nine billion, one hundred forty-two million, four hundred twenty-nine thousand, six hundred eighty-eight".
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