Base | Representation |
---|---|
bin | 11110111010111011011110… |
… | …01011010001101001000000 |
3 | 22220202022020210002200021000 |
4 | 33131131233023101221000 |
5 | 32403014232034133132 |
6 | 400340410434532000 |
7 | 20215340455644540 |
oct | 1735355713215100 |
9 | 286668223080230 |
10 | 67995492489792 |
11 | 1a7357a996519a |
12 | 7761b94a37000 |
13 | 2bc2c4166963a |
14 | 12b0ddc4b3320 |
15 | 7cdabae4487c |
hex | 3dd76f2d1a40 |
67995492489792 has 224 divisors, whose sum is σ = 228474503517440. Its totient is φ = 19425239285760.
The previous prime is 67995492489791. The next prime is 67995492489829. The reversal of 67995492489792 is 29798429459976.
67995492489792 is a `hidden beast` number, since 6 + 7 + 9 + 9 + 5 + 492 + 48 + 9 + 79 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (224).
It is not an unprimeable number, because it can be changed into a prime (67995492489791) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116568528 + ... + 117150384.
Almost surely, 267995492489792 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 67995492489792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114237251758720).
67995492489792 is an abundant number, since it is smaller than the sum of its proper divisors (160479011027648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67995492489792 is a wasteful number, since it uses less digits than its factorization.
67995492489792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 591546 (or 591530 counting only the distinct ones).
The product of its digits is 44442639360, while the sum is 90.
The spelling of 67995492489792 in words is "sixty-seven trillion, nine hundred ninety-five billion, four hundred ninety-two million, four hundred eighty-nine thousand, seven hundred ninety-two".
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