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50530001240 = 2353164762983
BaseRepresentation
bin101111000011110100…
…101010000101011000
311211102112010000122102
4233003310222011120
51311441140014430
635114013142532
73436115631605
oct570364520530
9154375100572
1050530001240
111a47a960904
12996248aa48
1349c37ca524
142634c956ac
1514ab187345
hexbc3d2a158

50530001240 has 64 divisors (see below), whose sum is σ = 117543260160. Its totient is φ = 19529458560.

The previous prime is 50530001227. The next prime is 50530001257. The reversal of 50530001240 is 4210003505.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770789 + ... + 833771.

It is an arithmetic number, because the mean of its divisors is an integer number (1836613440).

Almost surely, 250530001240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50530001240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58771630080).

50530001240 is an abundant number, since it is smaller than the sum of its proper divisors (67013258920).

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

50530001240 is a wasteful number, since it uses less digits than its factorization.

50530001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63672 (or 63668 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 50530001240 its reverse (4210003505), we get a palindrome (54740004745).

The spelling of 50530001240 in words is "fifty billion, five hundred thirty million, one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 647 1240 1294 2588 3235 5176 6470 12940 20057 25880 40114 62983 80228 100285 125966 160456 200570 251932 314915 401140 503864 629830 802280 1259660 1952473 2519320 3904946 7809892 9762365 15619784 19524730 39049460 40750001 78098920 81500002 163000004 203750005 326000008 407500010 815000020 1263250031 1630000040 2526500062 5053000124 6316250155 10106000248 12632500310 25265000620 50530001240