Base | Representation |
---|---|
bin | 100000011111100111… |
… | …1011010000000000000 |
3 | 20200010010021200001020 |
4 | 1000333033122000000 |
5 | 2120402300330000 |
6 | 52020125505440 |
7 | 5020140202440 |
oct | 1007717320000 |
9 | 220103250036 |
10 | 69780480000 |
11 | 27659297490 |
12 | 11635412280 |
13 | 6770b1756a |
14 | 353d7d2120 |
15 | 1c361ecba0 |
hex | 103f3da000 |
69780480000 has 1120 divisors, whose sum is σ = 294799633920. Its totient is φ = 14254080000.
The previous prime is 69780479969. The next prime is 69780480013. The reversal of 69780480000 is 8408796.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (1120).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1182719971 + ... + 1182720029.
Almost surely, 269780480000 is an apocalyptic number.
69780480000 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 69780480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147399816960).
69780480000 is an abundant number, since it is smaller than the sum of its proper divisors (225019153920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69780480000 is an equidigital number, since it uses as much as digits as its factorization.
69780480000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126 (or 87 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
Adding to 69780480000 its reverse (8408796), we get a palindrome (69788888796).
The spelling of 69780480000 in words is "sixty-nine billion, seven hundred eighty million, four hundred eighty thousand".
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