Base | Representation |
---|---|
bin | 111111001000111101… |
… | …110000101101000000 |
3 | 20110222211101220022000 |
4 | 333020331300231000 |
5 | 2102321303033122 |
6 | 51051202344000 |
7 | 4620023464221 |
oct | 771075605500 |
9 | 213884356260 |
10 | 67796142912 |
11 | 26830178683 |
12 | 1118095b000 |
13 | 65159954c4 |
14 | 33d2053248 |
15 | 1b6bdd10ac |
hex | fc8f70b40 |
67796142912 has 448 divisors, whose sum is σ = 220431360000. Its totient is φ = 20349480960.
The previous prime is 67796142889. The next prime is 67796142937. The reversal of 67796142912 is 21924169776.
67796142912 is a `hidden beast` number, since 6 + 7 + 7 + 9 + 614 + 2 + 9 + 12 = 666.
67796142912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60049164 + ... + 60050292.
Almost surely, 267796142912 is an apocalyptic number.
67796142912 is a gapful number since it is divisible by the number (62) 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 67796142912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110215680000).
67796142912 is an abundant number, since it is smaller than the sum of its proper divisors (152635217088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67796142912 is a wasteful number, since it uses less digits than its factorization.
67796142912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1259 (or 1243 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 54.
The spelling of 67796142912 in words is "sixty-seven billion, seven hundred ninety-six million, one hundred forty-two thousand, nine hundred twelve".
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