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1000501000500 = 2235323291019901
BaseRepresentation
bin11101000111100101000…
…00011011100100110100
310112122110122010212222010
432203302200123210310
5112343011224004000
62043342424404220
7132166230120621
oct16436240334464
93478418125863
101000501000500
11356345805aa1
12141aa1916670
1373468011141
14365d2bbd348
151b05a72ad50
hexe8f281b934

1000501000500 has 384 divisors, whose sum is σ = 3176422179840. Its totient is φ = 243936000000.

The previous prime is 1000501000489. The next prime is 1000501000501. The reversal of 1000501000500 is 50001050001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000501000501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 101045550 + ... + 101055450.

It is an arithmetic number, because the mean of its divisors is an integer number (8271932760).

Almost surely, 21000501000500 is an apocalyptic number.

1000501000500 is a gapful number since it is divisible by the number (10) 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 1000501000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588211089920).

1000501000500 is an abundant number, since it is smaller than the sum of its proper divisors (2175921179340).

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

1000501000500 is a wasteful number, since it uses less digits than its factorization.

1000501000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076 (or 10064 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

Adding to 1000501000500 its reverse (50001050001), we get a palindrome (1050502050501).

The spelling of 1000501000500 in words is "one trillion, five hundred one million, five hundred", and thus it is an aban number.