Base | Representation |
---|---|
bin | 111111000111011000… |
… | …010011011010100000 |
3 | 20110220222100122202000 |
4 | 333013120103122200 |
5 | 2102243000441100 |
6 | 51044412324000 |
7 | 4616251432323 |
oct | 770730233240 |
9 | 213828318660 |
10 | 67769546400 |
11 | 26817162296 |
12 | 11173a73600 |
13 | 651031271a |
14 | 33cc6cc7ba |
15 | 1b698ca900 |
hex | fc76136a0 |
67769546400 has 288 divisors, whose sum is σ = 253008806400. Its totient is φ = 17488742400.
The previous prime is 67769546347. The next prime is 67769546441. The reversal of 67769546400 is 464596776.
67769546400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (288).
It is a super-2 number, since 2×677695464002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 618996 + ... + 720204.
It is an arithmetic number, because the mean of its divisors is an integer number (878502800).
Almost surely, 267769546400 is an apocalyptic number.
67769546400 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 67769546400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126504403200).
67769546400 is an abundant number, since it is smaller than the sum of its proper divisors (185239260000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67769546400 is a wasteful number, since it uses less digits than its factorization.
67769546400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101269 (or 101250 counting only the distinct ones).
The product of its (nonzero) digits is 7620480, while the sum is 54.
The spelling of 67769546400 in words is "sixty-seven billion, seven hundred sixty-nine million, five hundred forty-six thousand, four hundred".
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