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51348608686674 = 23213496744179283
BaseRepresentation
bin10111010110011100001111…
…00101001001101001010010
320201210212201211022211220200
423223032013211021221102
523212243422310433144
6301113120345520030
713546546251212265
oct1353160745115122
9221725654284820
1051348608686674
11153a7905a48002
1259138551a3016
1322861cb2604c0
14c974007d2cdc
155e0a661edc69
hex2eb387949a52

51348608686674 has 48 divisors (see below), whose sum is σ = 119837544869952. Its totient is φ = 15796390637664.

The previous prime is 51348608686657. The next prime is 51348608686703. The reversal of 51348608686674 is 47668680684315.

51348608686674 is a `hidden beast` number, since 5 + 1 + 3 + 4 + 8 + 608 + 6 + 8 + 6 + 6 + 7 + 4 = 666.

51348608686674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×513486086866742 (a number of 28 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 20927364 + ... + 23251919.

It is an arithmetic number, because the mean of its divisors is an integer number (2496615518124).

Almost surely, 251348608686674 is an apocalyptic number.

51348608686674 is an abundant number, since it is smaller than the sum of its proper divisors (68488936183278).

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

51348608686674 is a wasteful number, since it uses less digits than its factorization.

51348608686674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44184271 (or 44184268 counting only the distinct ones).

The product of its (nonzero) digits is 1114767360, while the sum is 72.

The spelling of 51348608686674 in words is "fifty-one trillion, three hundred forty-eight billion, six hundred eight million, six hundred eighty-six thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 4967 9934 14901 29802 44703 64571 89406 129142 193713 387426 581139 1162278 44179283 88358566 132537849 265075698 397613547 574330679 795227094 1148661358 1722992037 3445984074 5168976111 10337952222 219438498661 438876997322 658315495983 1316630991966 1974946487949 2852700482593 3949892975898 5705400965186 8558101447779 17116202895558 25674304343337 51348608686674