Base | Representation |
---|---|
bin | 111011100110110… |
… | …0011100000111000 |
3 | 12011101102122220010 |
4 | 1313031203200320 |
5 | 13044002321130 |
6 | 530243501520 |
7 | 100364035233 |
oct | 16715434070 |
9 | 5141378803 |
10 | 2000042040 |
11 | 936a76207 |
12 | 4799878a0 |
13 | 25b490539 |
14 | 14d8aa41a |
15 | ba8c00b0 |
hex | 77363838 |
2000042040 has 64 divisors (see below), whose sum is σ = 6006765600. Its totient is φ = 532754432.
The previous prime is 2000042029. The next prime is 2000042041. The reversal of 2000042040 is 402400002.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2000042041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105616 + ... + 123104.
Almost surely, 22000042040 is an apocalyptic number.
2000042040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2000042040 is an abundant number, since it is smaller than the sum of its proper divisors (4006723560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2000042040 is a wasteful number, since it uses less digits than its factorization.
2000042040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18456 (or 18452 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 2000042040 is about 44721.8295690147. The cubic root of 2000042040 is about 1259.9298776798.
Adding to 2000042040 its reverse (402400002), we get a palindrome (2402442042).
The spelling of 2000042040 in words is "two billion, forty-two thousand, forty", and thus it is an eban number.
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