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200997949728 = 25316312844961
BaseRepresentation
bin1011101100110001101…
…0010101000100100000
3201012210220002210011110
42323030122111010200
511243120433342403
6232200455343320
720343626245302
oct2731432250440
9635726083143
10200997949728
1178274114644
1232b55981b40
1315c52cbc084
149a2a857972
155365d9d103
hex2ecc695120

200997949728 has 48 divisors (see below), whose sum is σ = 530856589536. Its totient is φ = 66588272640.

The previous prime is 200997949709. The next prime is 200997949729. The reversal of 200997949728 is 827949799002.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (200997949729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6406833 + ... + 6438128.

It is an arithmetic number, because the mean of its divisors is an integer number (11059512282).

Almost surely, 2200997949728 is an apocalyptic number.

It is an amenable number.

200997949728 is an abundant number, since it is smaller than the sum of its proper divisors (329858639808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200997949728 is a wasteful number, since it uses less digits than its factorization.

200997949728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12845137 (or 12845129 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 200997949728 in words is "two hundred billion, nine hundred ninety-seven million, nine hundred forty-nine thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 163 326 489 652 978 1304 1956 2608 3912 5216 7824 15648 12844961 25689922 38534883 51379844 77069766 102759688 154139532 205519376 308279064 411038752 616558128 1233116256 2093728643 4187457286 6281185929 8374914572 12562371858 16749829144 25124743716 33499658288 50249487432 66999316576 100498974864 200997949728