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10030002020 = 225501500101
BaseRepresentation
bin10010101011101010…
…11010111101100100
3221220000012220011022
421111311122331210
5131020140031040
64335133430312
7503360416253
oct112565327544
927800186138
1010030002020
114287746a75
121b3b03b398
13c3ac9334c
146b213279a
153da8376b5
hex255d5af64

10030002020 has 12 divisors (see below), whose sum is σ = 21063004284. Its totient is φ = 4012000800.

The previous prime is 10030002001. The next prime is 10030002079. The reversal of 10030002020 is 2020003001.

It can be written as a sum of positive squares in 2 ways, for example, as 5682445924 + 4347556096 = 75382^2 + 65936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10030001989 and 10030002007.

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 3 ways as a sum of consecutive naturals, for example, 250750031 + ... + 250750070.

It is an arithmetic number, because the mean of its divisors is an integer number (1755250357).

Almost surely, 210030002020 is an apocalyptic number.

10030002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030002020 is an abundant number, since it is smaller than the sum of its proper divisors (11033002264).

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

10030002020 is a wasteful number, since it uses less digits than its factorization.

10030002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501500110 (or 501500108 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 10030002020 its reverse (2020003001), we get a palindrome (12050005021).

The spelling of 10030002020 in words is "ten billion, thirty million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 501500101 1003000202 2006000404 2507500505 5015001010 10030002020