Base | Representation |
---|---|
bin | 1011101010100000110… |
… | …1000110001010110000 |
3 | 201011020120002012012220 |
4 | 2322220031012022300 |
5 | 11240344432013130 |
6 | 232020315521040 |
7 | 20322602104002 |
oct | 2725015061260 |
9 | 634216065186 |
10 | 200390501040 |
11 | 77a92239434 |
12 | 32a06459180 |
13 | 15b871b5c92 |
14 | 99adcd2372 |
15 | 532c8ad410 |
hex | 2ea83462b0 |
200390501040 has 320 divisors, whose sum is σ = 656249997312. Its totient is φ = 50485248000.
The previous prime is 200390501023. The next prime is 200390501053. The reversal of 200390501040 is 40105093002.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 200390501040.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166852440 + ... + 166853640.
Almost surely, 2200390501040 is an apocalyptic number.
200390501040 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 200390501040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328124998656).
200390501040 is an abundant number, since it is smaller than the sum of its proper divisors (455859496272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200390501040 is a wasteful number, since it uses less digits than its factorization.
200390501040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
Adding to 200390501040 its reverse (40105093002), we get a palindrome (240495594042).
The spelling of 200390501040 in words is "two hundred billion, three hundred ninety million, five hundred one thousand, forty".
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