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213004403020 = 22510650220151
BaseRepresentation
bin1100011001100000001…
…1010100000101001100
3202100210122100210202201
43012120003110011030
511442213111344040
6241504115331244
721250306360303
oct3063003240514
9670718323681
10213004403020
1182375483712
12353468b0b24
13171175a2cc6
14a44927543a
155819e95a9a
hex31980d414c

213004403020 has 12 divisors (see below), whose sum is σ = 447309246384. Its totient is φ = 85201761200.

The previous prime is 213004402943. The next prime is 213004403033. The reversal of 213004403020 is 20304400312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5325110056 + ... + 5325110095.

It is an arithmetic number, because the mean of its divisors is an integer number (37275770532).

Almost surely, 2213004403020 is an apocalyptic number.

213004403020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213004403020 is an abundant number, since it is smaller than the sum of its proper divisors (234304843364).

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

213004403020 is a wasteful number, since it uses less digits than its factorization.

213004403020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650220160 (or 10650220158 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 213004403020 its reverse (20304400312), we get a palindrome (233308803332).

The spelling of 213004403020 in words is "two hundred thirteen billion, four million, four hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 10650220151 21300440302 42600880604 53251100755 106502201510 213004403020