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28803830214 = 237616308329
BaseRepresentation
bin11010110100110101…
…111001000111000110
32202100101111011220110
4122310311321013012
5432442240031324
621122102013450
72036533342245
oct326465710706
982311434813
1028803830214
1111241013a65
1256ba417286
132940612123
14157363495c
15b38ae8329
hex6b4d791c6

28803830214 has 16 divisors (see below), whose sum is σ = 57683369520. Its totient is φ = 9588658560.

The previous prime is 28803830213. The next prime is 28803830227. The reversal of 28803830214 is 41203830882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28803830213) 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 7 ways as a sum of consecutive naturals, for example, 3149599 + ... + 3158730.

It is an arithmetic number, because the mean of its divisors is an integer number (3605210595).

Almost surely, 228803830214 is an apocalyptic number.

28803830214 is an abundant number, since it is smaller than the sum of its proper divisors (28879539306).

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

28803830214 is a wasteful number, since it uses less digits than its factorization.

28803830214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309095.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 28803830214 in words is "twenty-eight billion, eight hundred three million, eight hundred thirty thousand, two hundred fourteen".

Divisors: 1 2 3 6 761 1522 2283 4566 6308329 12616658 18924987 37849974 4800638369 9601276738 14401915107 28803830214