Base | Representation |
---|---|
bin | 111100100010000… |
… | …1000101000000000 |
3 | 12020112220221111102 |
4 | 1321010020220000 |
5 | 13124432031130 |
6 | 533314033532 |
7 | 101222203115 |
oct | 17104105000 |
9 | 5215827442 |
10 | 2031127040 |
11 | 952577898 |
12 | 4882788a8 |
13 | 264a55327 |
14 | 153a7c90c |
15 | bd4b0645 |
hex | 79108a00 |
2031127040 has 80 divisors (see below), whose sum is σ = 4917863808. Its totient is φ = 804458496.
The previous prime is 2031127019. The next prime is 2031127057. The reversal of 2031127040 is 407211302.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259829 + ... + 267531.
Almost surely, 22031127040 is an apocalyptic number.
2031127040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2031127040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2458931904).
2031127040 is an abundant number, since it is smaller than the sum of its proper divisors (2886736768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031127040 is an equidigital number, since it uses as much as digits as its factorization.
2031127040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7829 (or 7813 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 2031127040 is about 45068.0268039327. The cubic root of 2031127040 is about 1266.4236997816.
Adding to 2031127040 its reverse (407211302), we get a palindrome (2438338342).
The spelling of 2031127040 in words is "two billion, thirty-one million, one hundred twenty-seven thousand, forty".
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