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50517771472 = 2472173790349
BaseRepresentation
bin101111000011000110…
…000000010011010000
311211101200002200120001
4233003012000103100
51311430022141342
635112455055344
73435606654400
oct570306002320
9154350080501
1050517771472
111a473a68463
12995a371554
1349c1107a8c
1426333d0800
1514aa06d8b7
hexbc31804d0

50517771472 has 60 divisors (see below), whose sum is σ = 120555872100. Its totient is φ = 20376910848.

The previous prime is 50517771449. The next prime is 50517771497. The reversal of 50517771472 is 27417771505.

It can be written as a sum of positive squares in 2 ways, for example, as 28478587536 + 22039183936 = 168756^2 + 148456^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1881847 + ... + 1908502.

It is an arithmetic number, because the mean of its divisors is an integer number (2009264535).

Almost surely, 250517771472 is an apocalyptic number.

It is an amenable number.

50517771472 is an abundant number, since it is smaller than the sum of its proper divisors (70038100628).

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

50517771472 is a wasteful number, since it uses less digits than its factorization.

50517771472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790388 (or 3790375 counting only the distinct ones).

The product of its (nonzero) digits is 480200, while the sum is 46.

The spelling of 50517771472 in words is "fifty billion, five hundred seventeen million, seven hundred seventy-one thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 17 28 34 49 56 68 98 112 119 136 196 238 272 392 476 784 833 952 1666 1904 3332 6664 13328 3790349 7580698 15161396 26532443 30322792 53064886 60645584 64435933 106129772 128871866 185727101 212259544 257743732 371454202 424519088 451051531 515487464 742908404 902103062 1030974928 1485816808 1804206124 2971633616 3157360717 3608412248 6314721434 7216824496 12629442868 25258885736 50517771472