Base | Representation |
---|---|
bin | 100111101001011111… |
… | …000011111001010010 |
3 | 11001212220121121002200 |
4 | 213221133003321102 |
5 | 1144141404030120 |
6 | 31320212224030 |
7 | 3034654341300 |
oct | 475137037122 |
9 | 131786547080 |
10 | 42571939410 |
11 | 17066828200 |
12 | 830130b016 |
13 | 4025b7c1c0 |
14 | 20bbdc7270 |
15 | 11926c2e90 |
hex | 9e97c3e52 |
42571939410 has 1296 divisors, whose sum is σ = 170320871448. Its totient is φ = 7280824320.
The previous prime is 42571939379. The next prime is 42571939433. The reversal of 42571939410 is 1493917524.
42571939410 is a `hidden beast` number, since 4 + 2 + 571 + 9 + 39 + 41 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 32381642601 + 10190296809 = 179949^2 + 100947^2 .
It is a super-2 number, since 2×425719394102 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 647 ways as a sum of consecutive naturals, for example, 2240628381 + ... + 2240628399.
Almost surely, 242571939410 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42571939410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85160435724).
42571939410 is an abundant number, since it is smaller than the sum of its proper divisors (127748932038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42571939410 is a wasteful number, since it uses less digits than its factorization.
42571939410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117 (or 77 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The spelling of 42571939410 in words is "forty-two billion, five hundred seventy-one million, nine hundred thirty-nine thousand, four hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •