Base | Representation |
---|---|
bin | 1011101010100000011… |
… | …0010110010000000000 |
3 | 201011020102202022102100 |
4 | 2322220012112100000 |
5 | 11240344003410104 |
6 | 232020213550400 |
7 | 20322551055114 |
oct | 2725006262000 |
9 | 634212668370 |
10 | 200388731904 |
11 | 77a91240239 |
12 | 32a05945400 |
13 | 15b86a1695a |
14 | 99ad991744 |
15 | 532c65e139 |
hex | 2ea8196400 |
200388731904 has 99 divisors (see below), whose sum is σ = 578742228363. Its totient is φ = 66781919232.
The previous prime is 200388731887. The next prime is 200388731947. The reversal of 200388731904 is 409137883002.
The square root of 200388731904 is 447648.
It is a perfect power (a square), and thus also a powerful number.
It is a self number, because there is not a number n which added to its sum of digits gives 200388731904.
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 8 ways as a sum of consecutive naturals, for example, 42971877 + ... + 42976539.
Almost surely, 2200388731904 is an apocalyptic number.
200388731904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
200388731904 is the 447648-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200388731904
200388731904 is an abundant number, since it is smaller than the sum of its proper divisors (378353496459).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200388731904 is an frugal number, since it uses more digits than its factorization.
200388731904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9352 (or 4668 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 200388731904 in words is "two hundred billion, three hundred eighty-eight million, seven hundred thirty-one thousand, nine hundred four".
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