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50505000500 = 2253311324791
BaseRepresentation
bin101111000010010101…
…010010011000110100
311211100210001212002002
4233002111102120310
51311413240004000
635111321234432
73435363264263
oct570225223064
9154323055062
1050505000500
111a467835439
129956032a18
1349bb585ba6
1426318285da
1514a8d998d5
hexbc2552634

50505000500 has 48 divisors (see below), whose sum is σ = 110657933568. Its totient is φ = 20136980000.

The previous prime is 50505000493. The next prime is 50505000509. The reversal of 50505000500 is 500050505.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505000509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6896 + ... + 317895.

It is an arithmetic number, because the mean of its divisors is an integer number (2305373616).

Almost surely, 250505000500 is an apocalyptic number.

50505000500 is a gapful number since it is divisible by the number (50) 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 50505000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55328966784).

50505000500 is an abundant number, since it is smaller than the sum of its proper divisors (60152933068).

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

50505000500 is a wasteful number, since it uses less digits than its factorization.

50505000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325121 (or 325109 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

The spelling of 50505000500 in words is "fifty billion, five hundred five million, five hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 125 250 311 500 622 1244 1555 3110 6220 7775 15550 31100 38875 77750 155500 324791 649582 1299164 1623955 3247910 6495820 8119775 16239550 32479100 40598875 81197750 101010001 162395500 202020002 404040004 505050005 1010100010 2020200020 2525250025 5050500050 10101000100 12626250125 25252500250 50505000500