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204788831296 = 267280812
BaseRepresentation
bin1011111010111001011…
…1011001010001000000
3201120121002022112001111
42332232113121101000
511323401420100141
6234024555213104
720536600226200
oct2765627312100
9646532275044
10204788831296
1179939a58015
1233833447194
13164084b2c6a
149caa0d4400
1554d8ab7381
hex2fae5d9440

204788831296 has 63 divisors (see below), whose sum is σ = 472783744677. Its totient is φ = 87755781120.

The previous prime is 204788831281. The next prime is 204788831339. The reversal of 204788831296 is 692138887402.

It is a happy number.

The square root of 204788831296 is 452536.

It is a perfect power (a square), and thus also a powerful number.

204788831296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 69835461696 + 134953369600 = 264264^2 + 367360^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204788831296.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25337976 + ... + 25346056.

Almost surely, 2204788831296 is an apocalyptic number.

204788831296 is the 452536-th square number.

It is an amenable number.

204788831296 is an abundant number, since it is smaller than the sum of its proper divisors (267994913381).

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

204788831296 is an frugal number, since it uses more digits than its factorization.

204788831296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16188 (or 8090 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 204788831296 in words is "two hundred four billion, seven hundred eighty-eight million, eight hundred thirty-one thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 8081 16162 32324 56567 64648 113134 129296 226268 258592 395969 452536 517184 791938 905072 1583876 1810144 3167752 3620288 6335504 12671008 25342016 65302561 130605122 261210244 457117927 522420488 914235854 1044840976 1828471708 2089681952 3199825489 3656943416 4179363904 6399650978 7313886832 12799301956 14627773664 25598603912 29255547328 51197207824 102394415648 204788831296