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28058355317200 = 2452135395837561
BaseRepresentation
bin1100110000100110110000…
…10011010011100111010000
310200100100112000200011121111
412120103120103103213100
512134202002430122300
6135401455215103104
75624102126035225
oct630233023234720
9120310460604544
1028058355317200
118a3853310784a
123191a92511a94
131286b78986190
146d0062b8794c
15339cdee759ba
hex1984d84d39d0

28058355317200 has 60 divisors (see below), whose sum is σ = 72595598559148. Its totient is φ = 10360008115200.

The previous prime is 28058355317159. The next prime is 28058355317203. The reversal of 28058355317200 is 271355385082.

It can be written as a sum of positive squares in 6 ways, for example, as 5316787425856 + 22741567891344 = 2305816^2 + 4768812^2 .

It is a super-3 number, since 3×280583553172003 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28058355317203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2697913581 + ... + 2697923980.

Almost surely, 228058355317200 is an apocalyptic number.

28058355317200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28058355317200 is an abundant number, since it is smaller than the sum of its proper divisors (44537243241948).

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

28058355317200 is a wasteful number, since it uses less digits than its factorization.

28058355317200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395837592 (or 5395837581 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 28058355317200 in words is "twenty-eight trillion, fifty-eight billion, three hundred fifty-five million, three hundred seventeen thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 5395837561 10791675122 21583350244 26979187805 43166700488 53958375610 70145888293 86333400976 107916751220 134895939025 140291776586 215833502440 269791878050 280583553172 350729441465 431667004880 539583756100 561167106344 701458882930 1079167512200 1122334212688 1402917765860 1753647207325 2158335024400 2805835531720 3507294414650 5611671063440 7014588829300 14029177658600 28058355317200