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51425413510551 = 323745295847979
BaseRepresentation
bin10111011000101011010011…
…00000010011010110010111
320202002012222111011011021020
423230111221200103112113
523220023221324314201
6301212301523452223
713555235454354513
oct1354255140232627
9222065874134236
1051425413510551
11154274392a5a63
12592670ab27073
13229051b425352
14c9b00907b143
155e2a5de23a36
hex2ec569813597

51425413510551 has 8 divisors (see below), whose sum is σ = 71548401406080. Its totient is φ = 32793017311032.

The previous prime is 51425413510531. The next prime is 51425413510561. The reversal of 51425413510551 is 15501531452415.

51425413510551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51425413510551 - 217 = 51425413379479 is a prime.

It is a super-2 number, since 2×514254135105512 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51425413510531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 372647923921 + ... + 372647924058.

It is an arithmetic number, because the mean of its divisors is an integer number (8943550175760).

Almost surely, 251425413510551 is an apocalyptic number.

51425413510551 is a deficient number, since it is larger than the sum of its proper divisors (20122987895529).

51425413510551 is a wasteful number, since it uses less digits than its factorization.

51425413510551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745295848005.

The product of its (nonzero) digits is 300000, while the sum is 42.

Adding to 51425413510551 its reverse (15501531452415), we get a palindrome (66926944962966).

The spelling of 51425413510551 in words is "fifty-one trillion, four hundred twenty-five billion, four hundred thirteen million, five hundred ten thousand, five hundred fifty-one".

Divisors: 1 3 23 69 745295847979 2235887543937 17141804503517 51425413510551