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51352551464011 = 77336078780573
BaseRepresentation
bin10111010110100011100101…
…00101101001110001001011
320201211020220121100200121221
423223101302211221301023
523212330011133322021
6301115011513142511
713550046045240040
oct1353216245516113
9221736817320557
1051352551464011
11153a95495a7a76
1259145756baa37
1322866a9068145
14c976962cd1c7
155e0be741e241
hex2eb472969c4b

51352551464011 has 4 divisors (see below), whose sum is σ = 58688630244592. Its totient is φ = 44016472683432.

The previous prime is 51352551464009. The next prime is 51352551464041. The reversal of 51352551464011 is 11046415525315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51352551464011 - 21 = 51352551464009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51352551464041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668039390280 + ... + 3668039390293.

It is an arithmetic number, because the mean of its divisors is an integer number (14672157561148).

Almost surely, 251352551464011 is an apocalyptic number.

51352551464011 is a deficient number, since it is larger than the sum of its proper divisors (7336078780581).

51352551464011 is an equidigital number, since it uses as much as digits as its factorization.

51352551464011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336078780580.

The product of its (nonzero) digits is 360000, while the sum is 43.

Adding to 51352551464011 its reverse (11046415525315), we get a palindrome (62398966989326).

The spelling of 51352551464011 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred fifty-one million, four hundred sixty-four thousand, eleven".

Divisors: 1 7 7336078780573 51352551464011