Base | Representation |
---|---|
bin | 1011000100011000… |
… | …1110111111111010 |
3 | 21200001211200021010 |
4 | 2301012032333322 |
5 | 22041111422110 |
6 | 1210455054350 |
7 | 133425540063 |
oct | 26106167772 |
9 | 7601750233 |
10 | 2971201530 |
11 | 1295190760 |
12 | 6ab0713b6 |
13 | 38474041b |
14 | 20286b56a |
15 | 125ca6020 |
hex | b118effa |
2971201530 has 128 divisors (see below), whose sum is σ = 8155800576. Its totient is φ = 686246400.
The previous prime is 2971201529. The next prime is 2971201531. The reversal of 2971201530 is 351021792.
It is an interprime number because it is at equal distance from previous prime (2971201529) and next prime (2971201531).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2971201531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 579237 + ... + 584343.
It is an arithmetic number, because the mean of its divisors is an integer number (63717192).
Almost surely, 22971201530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2971201530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4077900288).
2971201530 is an abundant number, since it is smaller than the sum of its proper divisors (5184599046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2971201530 is a wasteful number, since it uses less digits than its factorization.
2971201530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5212.
The product of its (nonzero) digits is 3780, while the sum is 30.
The square root of 2971201530 is about 54508.7289339974. The cubic root of 2971201530 is about 1437.6197705373.
The spelling of 2971201530 in words is "two billion, nine hundred seventy-one million, two hundred one thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •