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50386836668 = 22719313055229
BaseRepresentation
bin101110111011010010…
…100001110010111100
311211001112201111202212
4232323102201302330
51311143012233133
635051500435552
73432430021310
oct567322416274
9154045644685
1050386836668
111a407068183
129922548bb8
13499cc5296c
14261dc69b40
15149d808148
hexbbb4a1cbc

50386836668 has 48 divisors (see below), whose sum is σ = 109499443200. Its totient is φ = 19797877440.

The previous prime is 50386836659. The next prime is 50386836691. The reversal of 50386836668 is 86663868305.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511123 + ... + 1544106.

It is an arithmetic number, because the mean of its divisors is an integer number (2281238400).

Almost surely, 250386836668 is an apocalyptic number.

It is an amenable number.

50386836668 is an abundant number, since it is smaller than the sum of its proper divisors (59112606532).

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

50386836668 is a wasteful number, since it uses less digits than its factorization.

50386836668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055290 (or 3055288 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 59.

The spelling of 50386836668 in words is "fifty billion, three hundred eighty-six million, eight hundred thirty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 19 28 31 38 62 76 124 133 217 266 434 532 589 868 1178 2356 4123 8246 16492 3055229 6110458 12220916 21386603 42773206 58049351 85546412 94712099 116098702 189424198 232197404 378848396 406345457 662984693 812690914 1325969386 1625381828 1799529881 2651938772 3599059762 7198119524 12596709167 25193418334 50386836668