Base | Representation |
---|---|
bin | 1000001000110000100… |
… | …0100010011001000000 |
3 | 111100211012112212021102 |
4 | 2002030020202121000 |
5 | 4242242220023403 |
6 | 144115120513532 |
7 | 13046061260306 |
oct | 2021410423100 |
9 | 440735485242 |
10 | 139790001728 |
11 | 543148a2353 |
12 | 2311347b8a8 |
13 | 1024a216b70 |
14 | 6aa17a6276 |
15 | 398258eb88 |
hex | 208c222640 |
139790001728 has 112 divisors (see below), whose sum is σ = 314869007040. Its totient is φ = 61042636800.
The previous prime is 139790001727. The next prime is 139790001731. The reversal of 139790001728 is 827100097931.
It is a super-2 number, since 2×1397900017282 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (139790001721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12972983 + ... + 12983753.
It is an arithmetic number, because the mean of its divisors is an integer number (2811330420).
Almost surely, 2139790001728 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 139790001728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157434503520).
139790001728 is an abundant number, since it is smaller than the sum of its proper divisors (175079005312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139790001728 is a wasteful number, since it uses less digits than its factorization.
139790001728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11636 (or 11626 counting only the distinct ones).
The product of its (nonzero) digits is 190512, while the sum is 47.
The spelling of 139790001728 in words is "one hundred thirty-nine billion, seven hundred ninety million, one thousand, seven hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •