Base | Representation |
---|---|
bin | 100000011110011111… |
… | …0011010001010000000 |
3 | 20200000110202112210120 |
4 | 1000330332122022000 |
5 | 2120313033013020 |
6 | 52012251100240 |
7 | 5016166132425 |
oct | 1007476321200 |
9 | 220013675716 |
10 | 69742469760 |
11 | 27639895867 |
12 | 11624741680 |
13 | 6765c995b2 |
14 | 3538739d4c |
15 | 1c32be0740 |
hex | 103cf9a280 |
69742469760 has 128 divisors (see below), whose sum is σ = 224982999360. Its totient is φ = 18373877760.
The previous prime is 69742469683. The next prime is 69742469761. The reversal of 69742469760 is 6796424796.
It is a happy number.
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 (60).
It is a junction number, because it is equal to n+sod(n) for n = 69742469694 and 69742469703.
It is not an unprimeable number, because it can be changed into a prime (69742469761) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59461 + ... + 378180.
Almost surely, 269742469760 is an apocalyptic number.
69742469760 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 69742469760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112491499680).
69742469760 is an abundant number, since it is smaller than the sum of its proper divisors (155240529600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69742469760 is a wasteful number, since it uses less digits than its factorization.
69742469760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437746 (or 437734 counting only the distinct ones).
The product of its (nonzero) digits is 27433728, while the sum is 60.
The spelling of 69742469760 in words is "sixty-nine billion, seven hundred forty-two million, four hundred sixty-nine thousand, seven hundred sixty".
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