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200388731904 = 2103246632
BaseRepresentation
bin1011101010100000011…
…0010110010000000000
3201011020102202022102100
42322220012112100000
511240344003410104
6232020213550400
720322551055114
oct2725006262000
9634212668370
10200388731904
1177a91240239
1232a05945400
1315b86a1695a
1499ad991744
15532c65e139
hex2ea8196400

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".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2304 3072 4608 4663 9216 9326 13989 18652 27978 37304 41967 55956 74608 83934 111912 149216 167868 223824 298432 335736 447648 596864 671472 895296 1193728 1342944 1790592 2387456 2685888 3581184 4774912 5371776 7162368 10743552 14324736 21487104 21743569 42974208 43487138 65230707 86974276 130461414 173948552 195692121 260922828 347897104 391384242 521845656 695794208 782768484 1043691312 1391588416 1565536968 2087382624 2783176832 3131073936 4174765248 5566353664 6262147872 8349530496 11132707328 12524295744 16699060992 22265414656 25048591488 33398121984 50097182976 66796243968 100194365952 200388731904