Base | Representation |
---|---|
bin | 100000010111001001… |
… | …1100010010011011000 |
3 | 20122101022122100211122 |
4 | 1000232103202103120 |
5 | 2114312031144122 |
6 | 51532015544412 |
7 | 5010120141023 |
oct | 1005623422330 |
9 | 218338570748 |
10 | 69496349912 |
11 | 27522972330 |
12 | 1157622b108 |
13 | 6726cb5052 |
14 | 3513b901ba |
15 | 1c1b2c6142 |
hex | 102e4e24d8 |
69496349912 has 64 divisors (see below), whose sum is σ = 145625040000. Its totient is φ = 30819075840.
The previous prime is 69496349873. The next prime is 69496349927. The reversal of 69496349912 is 21994369496.
It is a super-2 number, since 2×694963499122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3421964 + ... + 3442212.
It is an arithmetic number, because the mean of its divisors is an integer number (2275391250).
Almost surely, 269496349912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69496349912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72812520000).
69496349912 is an abundant number, since it is smaller than the sum of its proper divisors (76128690088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69496349912 is a wasteful number, since it uses less digits than its factorization.
69496349912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21216 (or 21212 counting only the distinct ones).
The product of its digits is 22674816, while the sum is 62.
The spelling of 69496349912 in words is "sixty-nine billion, four hundred ninety-six million, three hundred forty-nine thousand, nine hundred twelve".
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