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53512105242 = 23193127736187
BaseRepresentation
bin110001110101100100…
…011110110100011010
312010010100110121021210
4301311210132310122
51334043044331432
640325542043550
73603036250431
oct616544366432
9163110417253
1053512105242
1120770208772
12a4551195b6
13507a5871cb
142838d60118
1515d2d938cc
hexc7591ed1a

53512105242 has 32 divisors (see below), whose sum is σ = 107665958592. Its totient is φ = 17730561024.

The previous prime is 53512105223. The next prime is 53512105307. The reversal of 53512105242 is 24250121535.

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 15 ways as a sum of consecutive naturals, for example, 1460673 + ... + 1496859.

It is an arithmetic number, because the mean of its divisors is an integer number (3364561206).

Almost surely, 253512105242 is an apocalyptic number.

53512105242 is an abundant number, since it is smaller than the sum of its proper divisors (54153853350).

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

53512105242 is a wasteful number, since it uses less digits than its factorization.

53512105242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37662.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 53512105242 its reverse (24250121535), we get a palindrome (77762226777).

The spelling of 53512105242 in words is "fifty-three billion, five hundred twelve million, one hundred five thousand, two hundred forty-two".

Divisors: 1 2 3 6 193 386 579 1158 1277 2554 3831 7662 36187 72374 108561 217122 246461 492922 739383 1478766 6984091 13968182 20952273 41904546 46210799 92421598 138632397 277264794 8918684207 17837368414 26756052621 53512105242