Base | Representation |
---|---|
bin | 1000001001110010100… |
… | …0001101011101100100 |
3 | 111101112111021121220120 |
4 | 2002130220031131210 |
5 | 4243324041140233 |
6 | 144202404201540 |
7 | 13055661434523 |
oct | 2023450153544 |
9 | 441474247816 |
10 | 140066740068 |
11 | 54447028a22 |
12 | 231900992b0 |
13 | 1029265ba68 |
14 | 6aca4424ba |
15 | 399ba064b3 |
hex | 209ca0d764 |
140066740068 has 96 divisors (see below), whose sum is σ = 348983002368. Its totient is φ = 43570483200.
The previous prime is 140066740061. The next prime is 140066740097. The reversal of 140066740068 is 860047660041.
It is not an unprimeable number, because it can be changed into a prime (140066740061) 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, 28811958 + ... + 28816818.
It is an arithmetic number, because the mean of its divisors is an integer number (3635239608).
Almost surely, 2140066740068 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 140066740068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174491501184).
140066740068 is an abundant number, since it is smaller than the sum of its proper divisors (208916262300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140066740068 is a wasteful number, since it uses less digits than its factorization.
140066740068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6053 (or 6051 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 140066740068 in words is "one hundred forty billion, sixty-six million, seven hundred forty thousand, sixty-eight".
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