Base | Representation |
---|---|
bin | 111100100010101… |
… | …0000111000001100 |
3 | 12020120110222110110 |
4 | 1321011100320030 |
5 | 13130021013423 |
6 | 533324240020 |
7 | 101224545000 |
oct | 17105207014 |
9 | 5216428413 |
10 | 2031422988 |
11 | 95275a181 |
12 | 4883a0010 |
13 | 264b29c4a |
14 | 153b18700 |
15 | bd51d193 |
hex | 79150e0c |
2031422988 has 96 divisors (see below), whose sum is σ = 5677504000. Its totient is φ = 564677568.
The previous prime is 2031422977. The next prime is 2031423011. The reversal of 2031422988 is 8892241302.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145623 + ... + 158961.
Almost surely, 22031422988 is an apocalyptic number.
2031422988 is a gapful number since it is divisible by the number (28) 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 2031422988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2838752000).
2031422988 is an abundant number, since it is smaller than the sum of its proper divisors (3646081012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031422988 is a wasteful number, since it uses less digits than its factorization.
2031422988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13404 (or 13388 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The square root of 2031422988 is about 45071.3100319926. The cubic root of 2031422988 is about 1266.4852054304.
The spelling of 2031422988 in words is "two billion, thirty-one million, four hundred twenty-two thousand, nine hundred eighty-eight".
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