Base | Representation |
---|---|
bin | 100000010110001100… |
… | …1011100111010000000 |
3 | 20122022002102102001110 |
4 | 1000230121130322000 |
5 | 2114230333034430 |
6 | 51524514003320 |
7 | 5006251125612 |
oct | 1005431347200 |
9 | 218262372043 |
10 | 69464346240 |
11 | 275068a3513 |
12 | 11567576540 |
13 | 672048b073 |
14 | 350d81cdb2 |
15 | 1c185a37b0 |
hex | 102c65ce80 |
69464346240 has 128 divisors (see below), whose sum is σ = 222175094400. Its totient is φ = 18460454912.
The previous prime is 69464346239. The next prime is 69464346283. The reversal of 69464346240 is 4264346496.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 69464346240.
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, 500821 + ... + 624299.
It is an arithmetic number, because the mean of its divisors is an integer number (1735742925).
Almost surely, 269464346240 is an apocalyptic number.
69464346240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69464346240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111087547200).
69464346240 is an abundant number, since it is smaller than the sum of its proper divisors (152710748160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69464346240 is a wasteful number, since it uses less digits than its factorization.
69464346240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123794 (or 123782 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 48.
The spelling of 69464346240 in words is "sixty-nine billion, four hundred sixty-four million, three hundred forty-six thousand, two hundred forty".
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