Base | Representation |
---|---|
bin | 11101111100011000… |
… | …00000010111000000 |
3 | 1112111100022012021210 |
4 | 32332030000113000 |
5 | 230410341021003 |
6 | 11215102250120 |
7 | 1106241236466 |
oct | 167614002700 |
9 | 45440265253 |
10 | 16075720128 |
11 | 68aa363516 |
12 | 3147886940 |
13 | 1692678540 |
14 | ac7042836 |
15 | 6414a1503 |
hex | 3be3005c0 |
16075720128 has 112 divisors (see below), whose sum is σ = 45900848000. Its totient is φ = 4936080384.
The previous prime is 16075720123. The next prime is 16075720163. The reversal of 16075720128 is 82102757061.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16075720121) 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, 1239051 + ... + 1251957.
It is an arithmetic number, because the mean of its divisors is an integer number (409829000).
Almost surely, 216075720128 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 16075720128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22950424000).
16075720128 is an abundant number, since it is smaller than the sum of its proper divisors (29825127872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16075720128 is a wasteful number, since it uses less digits than its factorization.
16075720128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13434 (or 13424 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 39.
The spelling of 16075720128 in words is "sixteen billion, seventy-five million, seven hundred twenty thousand, one hundred twenty-eight".
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