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2503200105020 = 225491254908361
BaseRepresentation
bin100100011011010010010…
…110100110001000111100
322212022012022121202000202
4210123102112212020330
5312003023211330040
65153542041343032
7345564426552566
oct44332226461074
98768168552022
102503200105020
1188566822357a
12345178797a78
131520876896c4
1489226ac8336
15451a9a30015
hex246d25a623c

2503200105020 has 24 divisors (see below), whose sum is σ = 5267426392368. Its totient is φ = 999240771200.

The previous prime is 2503200105013. The next prime is 2503200105061. The reversal of 2503200105020 is 205010023052.

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

It is a junction number, because it is equal to n+sod(n) for n = 2503200104983 and 2503200105001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 127444361 + ... + 127464000.

It is an arithmetic number, because the mean of its divisors is an integer number (219476099682).

Almost surely, 22503200105020 is an apocalyptic number.

2503200105020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2503200105020 is an abundant number, since it is smaller than the sum of its proper divisors (2764226287348).

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

2503200105020 is a wasteful number, since it uses less digits than its factorization.

2503200105020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254908861 (or 254908859 counting only the distinct ones).

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

Adding to 2503200105020 its reverse (205010023052), we get a palindrome (2708210128072).

The spelling of 2503200105020 in words is "two trillion, five hundred three billion, two hundred million, one hundred five thousand, twenty".

Divisors: 1 2 4 5 10 20 491 982 1964 2455 4910 9820 254908361 509816722 1019633444 1274541805 2549083610 5098167220 125160005251 250320010502 500640021004 625800026255 1251600052510 2503200105020