Search a number
-
+
50451091068 = 22371075613161
BaseRepresentation
bin101110111111000111…
…101000111001111100
311211020000121222020110
4232333013220321330
51311310434403233
635102113550020
73434140125030
oct567707507174
9154200558213
1050451091068
111a43a364494
12993bb75310
1349b035c211
1426285d41c0
1514a429b663
hexbbf1e8e7c

50451091068 has 48 divisors (see below), whose sum is σ = 135793615104. Its totient is φ = 14279879040.

The previous prime is 50451091057. The next prime is 50451091099. The reversal of 50451091068 is 86019015405.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2797593 + ... + 2815568.

It is an arithmetic number, because the mean of its divisors is an integer number (2829033648).

Almost surely, 250451091068 is an apocalyptic number.

It is an amenable number.

50451091068 is an abundant number, since it is smaller than the sum of its proper divisors (85342524036).

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

50451091068 is a wasteful number, since it uses less digits than its factorization.

50451091068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613282 (or 5613280 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 50451091068 in words is "fifty billion, four hundred fifty-one million, ninety-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 107 214 321 428 642 749 1284 1498 2247 2996 4494 8988 5613161 11226322 16839483 22452644 33678966 39292127 67357932 78584254 117876381 157168508 235752762 471505524 600608227 1201216454 1801824681 2402432908 3603649362 4204257589 7207298724 8408515178 12612772767 16817030356 25225545534 50451091068