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28714561300 = 22521915112927
BaseRepresentation
bin11010101111100001…
…010110111100010100
32202010011111211222101
4122233201112330110
5432301411430200
621105152411444
72034400513105
oct325741267424
982104454871
1028714561300
11111a56919a7
125694546b84
132927c87b99
1415658383ac
15b30d6326a
hex6af856f14

28714561300 has 36 divisors (see below), whose sum is σ = 65590107520. Its totient is φ = 10881306720.

The previous prime is 28714561223. The next prime is 28714561303. The reversal of 28714561300 is 316541782.

It is a self number, because there is not a number n which added to its sum of digits gives 28714561300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28714561303) 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 11 ways as a sum of consecutive naturals, for example, 7554564 + ... + 7558363.

Almost surely, 228714561300 is an apocalyptic number.

28714561300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28714561300 is an abundant number, since it is smaller than the sum of its proper divisors (36875546220).

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

28714561300 is a wasteful number, since it uses less digits than its factorization.

28714561300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112960 (or 15112953 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 28714561300 in words is "twenty-eight billion, seven hundred fourteen million, five hundred sixty-one thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 15112927 30225854 60451708 75564635 151129270 287145613 302258540 377823175 574291226 755646350 1148582452 1435728065 1511292700 2871456130 5742912260 7178640325 14357280650 28714561300