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51152424142 = 2177591198193
BaseRepresentation
bin101111101000111011…
…000000110011001110
311220000220022101100111
4233220323000303032
51314230010033032
635255445550234
73460414300621
oct575073006316
9156026271314
1051152424142
111a76a2343a6
129ab6a1537a
134a927472c1
1426937d7db8
1514e5b33c47
hexbe8ec0cce

51152424142 has 16 divisors (see below), whose sum is σ = 81253197792. Its totient is φ = 24068436480.

The previous prime is 51152424109. The next prime is 51152424151. The reversal of 51152424142 is 24142425115.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 158998 + ... + 357190.

It is an arithmetic number, because the mean of its divisors is an integer number (5078324862).

Almost surely, 251152424142 is an apocalyptic number.

51152424142 is a deficient number, since it is larger than the sum of its proper divisors (30100773650).

51152424142 is a wasteful number, since it uses less digits than its factorization.

51152424142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205803.

The product of its digits is 12800, while the sum is 31.

Adding to 51152424142 its reverse (24142425115), we get a palindrome (75294849257).

The spelling of 51152424142 in words is "fifty-one billion, one hundred fifty-two million, four hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 17 34 7591 15182 129047 198193 258094 396386 3369281 6738562 1504483063 3008966126 25576212071 51152424142