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51202063134 = 23223123676481
BaseRepresentation
bin101111101011111000…
…010111101100011110
311220011100201022020200
4233223320113230132
51314330212010014
635304421524330
73461556232665
oct575370275436
9156140638220
1051202063134
111a795258962
129b0b5736a6
134a9cb072a1
14269a239ddc
1514ea18ba09
hexbebe17b1e

51202063134 has 24 divisors (see below), whose sum is σ = 115761187152. Its totient is φ = 16325295360.

The previous prime is 51202063103. The next prime is 51202063183. The reversal of 51202063134 is 43136020215.

51202063134 is a `hidden beast` number, since 5 + 1 + 2 + 0 + 20 + 631 + 3 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51202063098 and 51202063107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61837827 + ... + 61838654.

It is an arithmetic number, because the mean of its divisors is an integer number (4823382798).

Almost surely, 251202063134 is an apocalyptic number.

51202063134 is an abundant number, since it is smaller than the sum of its proper divisors (64559124018).

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

51202063134 is a wasteful number, since it uses less digits than its factorization.

51202063134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123676512 (or 123676509 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 51202063134 its reverse (43136020215), we get a palindrome (94338083349).

The spelling of 51202063134 in words is "fifty-one billion, two hundred two million, sixty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 123676481 247352962 371029443 742058886 1113088329 2226176658 2844559063 5689118126 8533677189 17067354378 25601031567 51202063134