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28735061300 = 22521126122783
BaseRepresentation
bin11010110000101111…
…100011110100110100
32202011121002100200122
4122300233203310310
5432322133430200
621111204031112
72035036663631
oct326057436464
982147070618
1028735061300
1111206213950
12569b392498
13292c2b4a6a
141568453188
15b32a62385
hex6b0be3d34

28735061300 has 36 divisors (see below), whose sum is σ = 68023729536. Its totient is φ = 10449112800.

The previous prime is 28735061297. The next prime is 28735061309. The reversal of 28735061300 is 316053782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28735061309) 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, 13060292 + ... + 13062491.

Almost surely, 228735061300 is an apocalyptic number.

28735061300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28735061300 is an abundant number, since it is smaller than the sum of its proper divisors (39288668236).

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

28735061300 is a wasteful number, since it uses less digits than its factorization.

28735061300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26122808 (or 26122801 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 28735061300 in words is "twenty-eight billion, seven hundred thirty-five million, sixty-one thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 26122783 52245566 104491132 130613915 261227830 287350613 522455660 574701226 653069575 1149402452 1306139150 1436753065 2612278300 2873506130 5747012260 7183765325 14367530650 28735061300