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203124423320 = 23571355803413
BaseRepresentation
bin1011110100101100101…
…0001011101010011000
3201102022002102211112122
42331023022023222120
511311444323021240
6233151501200412
720450420052620
oct2751312135230
9642262384478
10203124423320
1179165494735
1233449b60108
1316201718a80
149b8d035880
15543c8e44b5
hex2f4b28ba98

203124423320 has 64 divisors (see below), whose sum is σ = 562498413120. Its totient is φ = 64285530624.

The previous prime is 203124423301. The next prime is 203124423373. The reversal of 203124423320 is 23324421302.

203124423320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 203124423320.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 27898067 + ... + 27905346.

It is an arithmetic number, because the mean of its divisors is an integer number (8789037705).

Almost surely, 2203124423320 is an apocalyptic number.

203124423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203124423320 is an abundant number, since it is smaller than the sum of its proper divisors (359373989800).

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

203124423320 is a wasteful number, since it uses less digits than its factorization.

203124423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55803444 (or 55803440 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203124423320 its reverse (23324421302), we get a palindrome (226448844622).

The spelling of 203124423320 in words is "two hundred three billion, one hundred twenty-four million, four hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1820 3640 55803413 111606826 223213652 279017065 390623891 446427304 558034130 725444369 781247782 1116068260 1450888738 1562495564 1953119455 2232136520 2901777476 3124991128 3627221845 3906238910 5078110583 5803554952 7254443690 7812477820 10156221166 14508887380 15624955640 20312442332 25390552915 29017774760 40624884664 50781105830 101562211660 203124423320