Base | Representation |
---|---|
bin | 111101110001100… |
… | …0110111011101000 |
3 | 12100110100012102102 |
4 | 1323203012323220 |
5 | 13221114113000 |
6 | 541403152532 |
7 | 102236342414 |
oct | 17343067350 |
9 | 5313305372 |
10 | 2072801000 |
11 | 974051086 |
12 | 49a215748 |
13 | 270586a8a |
14 | 159409d44 |
15 | c1e933d5 |
hex | 7b8c6ee8 |
2072801000 has 32 divisors (see below), whose sum is σ = 4850356680. Its totient is φ = 829120000.
The previous prime is 2072800993. The next prime is 2072801023. The reversal of 2072801000 is 1082702.
It can be written as a sum of positive squares in 4 ways, for example, as 915304516 + 1157496484 = 30254^2 + 34022^2 .
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, 1035401 + ... + 1037400.
Almost surely, 22072801000 is an apocalyptic number.
2072801000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2072801000 is an abundant number, since it is smaller than the sum of its proper divisors (2777555680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2072801000 is a wasteful number, since it uses less digits than its factorization.
2072801000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2072822 (or 2072808 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 2072801000 is about 45528.0243366654. The cubic root of 2072801000 is about 1275.0264764462.
Adding to 2072801000 its reverse (1082702), we get a palindrome (2073883702).
The spelling of 2072801000 in words is "two billion, seventy-two million, eight hundred one thousand".
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