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203424664020 = 22354378846769
BaseRepresentation
bin1011110101110100001…
…1100000100111010100
3201110002000101122100120
42331131003200213110
511313103203222040
6233241344311540
720461024054134
oct2753503404724
9643060348316
10203424664020
11792a9a12a46
12335126125b0
131624b99c2a6
149bbac6cac4
155458e4e7d0
hex2f5d0e09d4

203424664020 has 48 divisors (see below), whose sum is σ = 582835323840. Its totient is φ = 52985028096.

The previous prime is 203424663947. The next prime is 203424664021. The reversal of 203424664020 is 20466424302.

203424664020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203424664021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39420805 + ... + 39425964.

It is an arithmetic number, because the mean of its divisors is an integer number (12142402580).

Almost surely, 2203424664020 is an apocalyptic number.

203424664020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203424664020 is an abundant number, since it is smaller than the sum of its proper divisors (379410659820).

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

203424664020 is a wasteful number, since it uses less digits than its factorization.

203424664020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78846824 (or 78846822 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The spelling of 203424664020 in words is "two hundred three billion, four hundred twenty-four million, six hundred sixty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 78846769 157693538 236540307 315387076 394233845 473080614 788467690 946161228 1182701535 1576935380 2365403070 3390411067 4730806140 6780822134 10171233201 13561644268 16952055335 20342466402 33904110670 40684932804 50856166005 67808221340 101712332010 203424664020