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28814234175200 = 255219299772279
BaseRepresentation
bin1101000110100110101100…
…01100010100011011100000
310210000121120112002200001202
412203103112030110123200
512234043022422101300
6141141024302220332
76032521404234215
oct643232614243340
9123017515080052
1028814234175200
1191aa059008521
1232944848846a8
13131022ab24c26
1471888b495b0c
1534e7cea7bad5
hex1a34d63146e0

28814234175200 has 108 divisors (see below), whose sum is σ = 74239855142040. Its totient is φ = 10919078104320.

The previous prime is 28814234175163. The next prime is 28814234175269. The reversal of 28814234175200 is 257143241882.

It is a super-2 number, since 2×288142341752002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49597340 + ... + 50174939.

It is an arithmetic number, because the mean of its divisors is an integer number (687406066130).

Almost surely, 228814234175200 is an apocalyptic number.

28814234175200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28814234175200 is an abundant number, since it is smaller than the sum of its proper divisors (45425620966840).

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

28814234175200 is a wasteful number, since it uses less digits than its factorization.

28814234175200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99772337 (or 99772305 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 28814234175200 in words is "twenty-eight trillion, eight hundred fourteen billion, two hundred thirty-four million, one hundred seventy-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 190 200 304 361 380 400 475 608 722 760 800 950 1444 1520 1805 1900 2888 3040 3610 3800 5776 7220 7600 9025 11552 14440 15200 18050 28880 36100 57760 72200 144400 288800 99772279 199544558 399089116 498861395 798178232 997722790 1596356464 1895673301 1995445580 2494306975 3192712928 3791346602 3990891160 4988613950 7582693204 7981782320 9478366505 9977227900 15165386408 15963564640 18956733010 19954455800 30330772816 36017792719 37913466020 39908911600 47391832525 60661545632 72035585438 75826932040 79817823200 94783665050 144071170876 151653864080 180088963595 189567330100 288142341752 303307728160 360177927190 379134660200 576284683504 720355854380 758269320400 900444817975 1152569367008 1440711708760 1516538640800 1800889635950 2881423417520 3601779271900 5762846835040 7203558543800 14407117087600 28814234175200