Base | Representation |
---|---|
bin | 11111000010111100100000… |
… | …01000101110110010000000 |
3 | 22221201122012000220111102000 |
4 | 33201132100020232302000 |
5 | 32422022322341042132 |
6 | 401111121302424000 |
7 | 20244261060605112 |
oct | 1741362010566200 |
9 | 287648160814360 |
10 | 68270923377792 |
11 | 1a831599477a53 |
12 | 77a7442132000 |
13 | 2c12bc72c9545 |
14 | 12c048a5933b2 |
15 | 7d5d3b69687c |
hex | 3e179022ec80 |
68270923377792 has 512 divisors, whose sum is σ = 220268077920000. Its totient is φ = 20734672896000.
The previous prime is 68270923377791. The next prime is 68270923377793. The reversal of 68270923377792 is 29777332907286.
68270923377792 is a `hidden beast` number, since 6 + 82 + 7 + 0 + 92 + 3 + 377 + 7 + 92 = 666.
It is an interprime number because it is at equal distance from previous prime (68270923377791) and next prime (68270923377793).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a self number, because there is not a number n which added to its sum of digits gives 68270923377792.
It is not an unprimeable number, because it can be changed into a prime (68270923377791) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 489324042 + ... + 489463542.
Almost surely, 268270923377792 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68270923377792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110134038960000).
68270923377792 is an abundant number, since it is smaller than the sum of its proper divisors (151997154542208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68270923377792 is a wasteful number, since it uses less digits than its factorization.
68270923377792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139829 (or 139811 counting only the distinct ones).
The product of its (nonzero) digits is 672126336, while the sum is 72.
The spelling of 68270923377792 in words is "sixty-eight trillion, two hundred seventy billion, nine hundred twenty-three million, three hundred seventy-seven thousand, seven hundred ninety-two".
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