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11000203420 = 225647850093
BaseRepresentation
bin10100011111010100…
…11100100010011100
31001101121211020021111
422033222130202130
5140012023002140
65015312311404
7536411120623
oct121752344234
931347736244
1011000203420
114735367708
12216bb42564
131063c9910b
14764d246ba
15445ace7ea
hex28fa9c89c

11000203420 has 24 divisors (see below), whose sum is σ = 23136158304. Its totient is φ = 4393275456.

The previous prime is 11000203397. The next prime is 11000203421. The reversal of 11000203420 is 2430200011.

11000203420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11000203420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000203421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412107 + ... + 437986.

It is an arithmetic number, because the mean of its divisors is an integer number (964006596).

Almost surely, 211000203420 is an apocalyptic number.

11000203420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000203420 is an abundant number, since it is smaller than the sum of its proper divisors (12135954884).

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

11000203420 is a wasteful number, since it uses less digits than its factorization.

11000203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850749 (or 850747 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11000203420 its reverse (2430200011), we get a palindrome (13430403431).

The spelling of 11000203420 in words is "eleven billion, two hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 647 1294 2588 3235 6470 12940 850093 1700186 3400372 4250465 8500930 17001860 550010171 1100020342 2200040684 2750050855 5500101710 11000203420