Base | Representation |
---|---|
bin | 1010001011001010… |
… | …1000000000000000 |
3 | 21001100012022200000 |
4 | 2202302220000000 |
5 | 21043140230112 |
6 | 1131002400000 |
7 | 124452435000 |
oct | 24262500000 |
9 | 7040168600 |
10 | 2731180032 |
11 | 1181752a89 |
12 | 642800000 |
13 | 346ab2879 |
14 | 1bca2c000 |
15 | 10eb937dc |
hex | a2ca8000 |
2731180032 has 384 divisors, whose sum is σ = 9541896000. Its totient is φ = 780337152.
The previous prime is 2731180019. The next prime is 2731180037. The reversal of 2731180032 is 2300811372.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a tau number, because it is divible by the number of its divisors (384).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 2731179978 and 2731180005.
It is not an unprimeable number, because it can be changed into a prime (2731180037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390168573 + ... + 390168579.
Almost surely, 22731180032 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 2731180032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4770948000).
2731180032 is an abundant number, since it is smaller than the sum of its proper divisors (6810715968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2731180032 is an frugal number, since it uses more digits than its factorization.
2731180032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66 (or 12 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 2731180032 is about 52260.6929919610. The cubic root of 2731180032 is about 1397.8163290909.
The spelling of 2731180032 in words is "two billion, seven hundred thirty-one million, one hundred eighty thousand, thirty-two".
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