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50686132550 = 2521013722651
BaseRepresentation
bin101111001101001000…
…010000000101000110
311211211101220022112112
4233031020100011012
51312301122220200
635141311421022
73443023006124
oct571510200506
9154741808475
1050686132550
111a550000649
1299a6824772
134a19c65111
14264b8d8914
1514b9c28535
hexbcd210146

50686132550 has 12 divisors (see below), whose sum is σ = 94276206636. Its totient is φ = 20274453000.

The previous prime is 50686132543. The next prime is 50686132571. The reversal of 50686132550 is 5523168605.

It is a junction number, because it is equal to n+sod(n) for n = 50686132498 and 50686132507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506861276 + ... + 506861375.

It is an arithmetic number, because the mean of its divisors is an integer number (7856350553).

Almost surely, 250686132550 is an apocalyptic number.

50686132550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50686132550 is a deficient number, since it is larger than the sum of its proper divisors (43590074086).

50686132550 is a wasteful number, since it uses less digits than its factorization.

50686132550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013722663 (or 1013722658 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 50686132550 in words is "fifty billion, six hundred eighty-six million, one hundred thirty-two thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 1013722651 2027445302 5068613255 10137226510 25343066275 50686132550