Base | Representation |
---|---|
bin | 111100110011011… |
… | …0010101001001000 |
3 | 12021012000111202220 |
4 | 1321212302221020 |
5 | 13134243241130 |
6 | 534240454040 |
7 | 101362342026 |
oct | 17146625110 |
9 | 5235014686 |
10 | 2040212040 |
11 | 957712559 |
12 | 48b31a320 |
13 | 2668b6579 |
14 | 154d65716 |
15 | be1a7410 |
hex | 799b2a48 |
2040212040 has 64 divisors (see below), whose sum is σ = 6126658560. Its totient is φ = 543521280.
The previous prime is 2040212023. The next prime is 2040212081. The reversal of 2040212040 is 402120402.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122620 + ... + 138260.
It is an arithmetic number, because the mean of its divisors is an integer number (95729040).
Almost surely, 22040212040 is an apocalyptic number.
2040212040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2040212040 is an abundant number, since it is smaller than the sum of its proper divisors (4086446520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2040212040 is a wasteful number, since it uses less digits than its factorization.
2040212040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16742 (or 16738 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 2040212040 is about 45168.7064238063. The cubic root of 2040212040 is about 1268.3090812116.
Adding to 2040212040 its reverse (402120402), we get a palindrome (2442332442).
The spelling of 2040212040 in words is "two billion, forty million, two hundred twelve thousand, forty".
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