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50312143336 = 237131931311621
BaseRepresentation
bin101110110110110101…
…100110000111101000
311210212100011200210011
4232312311212013220
51311014402041321
635040231501304
73430532106430
oct566665460750
9153770150704
1050312143336
111a378990a54
129901527834
13498a62cb20
142613d852c0
151496ea1ae1
hexbb6d661e8

50312143336 has 128 divisors (see below), whose sum is σ = 122616748800. Its totient is φ = 18794280960.

The previous prime is 50312143313. The next prime is 50312143337. The reversal of 50312143336 is 63334121305.

It is a junction number, because it is equal to n+sod(n) for n = 50312143298 and 50312143307.

It is not an unprimeable number, because it can be changed into a prime (50312143337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4323606 + ... + 4335226.

It is an arithmetic number, because the mean of its divisors is an integer number (957943350).

Almost surely, 250312143336 is an apocalyptic number.

50312143336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50312143336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61308374400).

50312143336 is an abundant number, since it is smaller than the sum of its proper divisors (72304605464).

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

50312143336 is a wasteful number, since it uses less digits than its factorization.

50312143336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979 (or 11975 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The spelling of 50312143336 in words is "fifty billion, three hundred twelve million, one hundred forty-three thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 13 14 19 26 28 38 52 56 76 91 104 133 152 182 247 266 313 364 494 532 626 728 988 1064 1252 1729 1976 2191 2504 3458 4069 4382 5947 6916 8138 8764 11621 11894 13832 16276 17528 23242 23788 28483 32552 41629 46484 47576 56966 77311 81347 83258 92968 113932 151073 154622 162694 166516 220799 227864 302146 309244 325388 333032 441598 541177 604292 618488 650776 883196 1057511 1082354 1208584 1545593 1766392 2115022 2164708 2870387 3091186 3637373 4230044 4329416 5740774 6182372 7274746 8460088 11481548 12364744 14549492 20092709 22963096 25461611 29098984 40185418 47285849 50923222 69110087 80370836 94571698 101846444 138220174 160741672 189143396 203692888 276440348 331000943 378286792 483770609 552880696 662001886 898431131 967541218 1324003772 1796862262 1935082436 2648007544 3593724524 3870164872 6289017917 7187449048 12578035834 25156071668 50312143336