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50500009100 = 2252505000091
BaseRepresentation
bin101111000010000010…
…001111110010001100
311211100102200021011102
4233002002033302030
51311411000242400
635111022242232
73435302665142
oct570202176214
9154312607142
1050500009100
111a464a36312
129954426378
1349ba528cb8
142630cc9592
1514a87109d5
hexbc208fc8c

50500009100 has 18 divisors (see below), whose sum is σ = 109585019964. Its totient is φ = 20200003600.

The previous prime is 50500009097. The next prime is 50500009103. The reversal of 50500009100 is 190000505.

It is an interprime number because it is at equal distance from previous prime (50500009097) and next prime (50500009103).

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

It is not an unprimeable number, because it can be changed into a prime (50500009103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252499946 + ... + 252500145.

Almost surely, 250500009100 is an apocalyptic number.

50500009100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50500009100 is an abundant number, since it is smaller than the sum of its proper divisors (59085010864).

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

50500009100 is a wasteful number, since it uses less digits than its factorization.

50500009100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505000105 (or 505000098 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

Adding to 50500009100 its reverse (190000505), we get a palindrome (50690009605).

The spelling of 50500009100 in words is "fifty billion, five hundred million, nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 505000091 1010000182 2020000364 2525000455 5050000910 10100001820 12625002275 25250004550 50500009100