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28360076874724 = 227811092
BaseRepresentation
bin1100111001011000110000…
…10011101101001111100100
310201102012022112000101022101
412130230120103231033210
512204122414134442344
6140152234531141444
75654643100000000
oct634543023551744
9121365275011271
1028360076874724
119044494060761
123220458444884
1312a946136b67a
147008c67c3700
15342a9d8459d4
hex19cb184ed3e4

28360076874724 has 81 divisors (see below), whose sum is σ = 57954080104137. Its totient is φ = 12143358950352.

The previous prime is 28360076874659. The next prime is 28360076874751. The reversal of 28360076874724 is 42747867006382.

The square root of 28360076874724 is 5325418.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 458440034724 + 27901636840000 = 677082^2 + 5282200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25572656682 + ... + 25572657790.

Almost surely, 228360076874724 is an apocalyptic number.

28360076874724 is the 5325418-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28360076874724

28360076874724 is an abundant number, since it is smaller than the sum of its proper divisors (29594003229413).

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

28360076874724 is an frugal number, since it uses more digits than its factorization.

28360076874724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 151732224, while the sum is 64.

The spelling of 28360076874724 in words is "twenty-eight trillion, three hundred sixty billion, seventy-six million, eight hundred seventy-four thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1109 1372 2218 2401 4436 4802 7763 9604 15526 16807 31052 33614 54341 67228 108682 117649 217364 235298 380387 470596 760774 823543 1229881 1521548 1647086 2459762 2662709 3294172 4919524 5325418 5764801 8609167 10650836 11529602 17218334 18638963 23059204 34436668 37277926 60264169 74555852 120528338 130472741 241056676 260945482 421849183 521890964 843698366 913309187 1687396732 1826618374 2952944281 3653236748 5905888562 6393164309 11811777124 12786328618 20670609967 25572657236 41341219934 82682439868 144694269769 289388539538 578777079076 1012859888383 2025719776766 4051439553532 7090019218681 14180038437362 28360076874724