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51680632102 = 21124113139761
BaseRepresentation
bin110000001000011001…
…111101110100100110
311221101201020010110021
4300020121331310212
51321320220211402
635424115145354
73506460060541
oct601031756446
9157351203407
1051680632102
111aa10407900
12a0238a525a
134b47cc77a8
142703a13858
1515271bed37
hexc0867dd26

51680632102 has 48 divisors (see below), whose sum is σ = 87955770672. Its totient is φ = 22742720000.

The previous prime is 51680632079. The next prime is 51680632123. The reversal of 51680632102 is 20123608615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279902 + ... + 1319662.

It is an arithmetic number, because the mean of its divisors is an integer number (1832411889).

Almost surely, 251680632102 is an apocalyptic number.

51680632102 is a deficient number, since it is larger than the sum of its proper divisors (36275138570).

51680632102 is a wasteful number, since it uses less digits than its factorization.

51680632102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39957 (or 39946 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 51680632102 in words is "fifty-one billion, six hundred eighty million, six hundred thirty-two thousand, one hundred two".

Divisors: 1 2 11 22 41 82 121 131 242 262 451 902 1441 2882 4961 5371 9922 10742 15851 31702 39761 59081 79522 118162 437371 649891 874742 1299782 1630201 3260402 4811081 5208691 9622162 10417382 17932211 35864422 57295601 114591202 197254321 213556331 394508642 427112662 630251611 1260503222 2349119641 4698239282 25840316051 51680632102