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210200311420 = 22511955455961
BaseRepresentation
bin1100001111000011101…
…0100011011001111100
3202002120012222012020021
43003300322203121330
511420442234431140
6240321550101524
721120650111161
oct3036072433174
9662505865207
10210200311420
1181166661140
12348a37aa8a4
1316a8b6725c8
14a260aa8068
155703bedb4a
hex30f0ea367c

210200311420 has 24 divisors (see below), whose sum is σ = 481549804848. Its totient is φ = 76436476800.

The previous prime is 210200311381. The next prime is 210200311423. The reversal of 210200311420 is 24113002012.

It is a junction number, because it is equal to n+sod(n) for n = 210200311394 and 210200311403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200311423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477727761 + ... + 477728200.

It is an arithmetic number, because the mean of its divisors is an integer number (20064575202).

Almost surely, 2210200311420 is an apocalyptic number.

210200311420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210200311420 is an abundant number, since it is smaller than the sum of its proper divisors (271349493428).

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

210200311420 is a wasteful number, since it uses less digits than its factorization.

210200311420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955455981 (or 955455979 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210200311420 its reverse (24113002012), we get a palindrome (234313313432).

The spelling of 210200311420 in words is "two hundred ten billion, two hundred million, three hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 955455961 1910911922 3821823844 4777279805 9554559610 10510015571 19109119220 21020031142 42040062284 52550077855 105100155710 210200311420