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1042053230205 = 325132137022121
BaseRepresentation
bin11110010100111110011…
…01100110111001111101
310200121201110222212022200
433022133031212321331
5114033111111331310
62114413533102113
7135200023211511
oct17123715467175
93617643885280
101042053230205
11371a289781a9
12149b59627939
137735a841c00
14386155a8141
151c18d6279c0
hexf29f366e7d

1042053230205 has 36 divisors (see below), whose sum is σ = 1955853769428. Its totient is φ = 513010817280.

The previous prime is 1042053230201. The next prime is 1042053230213. The reversal of 1042053230205 is 5020323502401.

It is a happy number.

1042053230205 is a `hidden beast` number, since 1 + 0 + 420 + 5 + 3 + 2 + 30 + 205 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 32667309081 + 1009385921124 = 180741^2 + 1004682^2 .

It is not a de Polignac number, because 1042053230205 - 22 = 1042053230201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042053230201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68503456 + ... + 68518665.

It is an arithmetic number, because the mean of its divisors is an integer number (54329271373).

Almost surely, 21042053230205 is an apocalyptic number.

1042053230205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042053230205 is a deficient number, since it is larger than the sum of its proper divisors (913800539223).

1042053230205 is a wasteful number, since it uses less digits than its factorization.

1042053230205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137022158 (or 137022142 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 1042053230205 its reverse (5020323502401), we get a palindrome (6062376732606).

The spelling of 1042053230205 in words is "one trillion, forty-two billion, fifty-three million, two hundred thirty thousand, two hundred five".

Divisors: 1 3 5 9 13 15 39 45 65 117 169 195 507 585 845 1521 2535 7605 137022121 411066363 685110605 1233199089 1781287573 2055331815 5343862719 6165995445 8906437865 16031588157 23156738449 26719313595 69470215347 80157940785 115783692245 208410646041 347351076735 1042053230205