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51611625311306 = 2191358200666087
BaseRepresentation
bin10111011110000110001001…
…00101111100110001001010
320202202000121220111202012112
423233003010211330301022
523231101102034430211
6301434015304542322
713604550121510064
oct1357030445746112
9222660556452175
1051611625311306
1115499404a80a75
125956818a819a2
1322a4c55c92038
14ca6031c5a734
155e780bb5088b
hex2ef0c497cc4a

51611625311306 has 8 divisors (see below), whose sum is σ = 81492039965280. Its totient is φ = 24447611989548.

The previous prime is 51611625311303. The next prime is 51611625311327. The reversal of 51611625311306 is 60311352611615.

51611625311306 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 a super-2 number, since 2×516116253113062 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51611625311303) 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 3 ways as a sum of consecutive naturals, for example, 679100333006 + ... + 679100333081.

It is an arithmetic number, because the mean of its divisors is an integer number (10186504995660).

Almost surely, 251611625311306 is an apocalyptic number.

51611625311306 is a deficient number, since it is larger than the sum of its proper divisors (29880414653974).

51611625311306 is a wasteful number, since it uses less digits than its factorization.

51611625311306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358200666108.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 51611625311306 in words is "fifty-one trillion, six hundred eleven billion, six hundred twenty-five million, three hundred eleven thousand, three hundred six".

Divisors: 1 2 19 38 1358200666087 2716401332174 25805812655653 51611625311306