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828440232562280 = 235133672194338431
BaseRepresentation
bin1011110001011101100100010…
…1110001111000111001101000
311000122021010001012121102202202
42330113121011301320321220
51332041131044013443110
612053540104443515332
7336332555152645112
oct27427310561707150
94018233035542682
10828440232562280
1121aa6a590986428
1278ab9325828b48
132973476a5ac890
1410880a14d7a3b2
1565b9971a760a5
hex2f17645c78e68

828440232562280 has 64 divisors (see below), whose sum is σ = 2007380338790400. Its totient is φ = 305884720846080.

The previous prime is 828440232562231. The next prime is 828440232562297. The reversal of 828440232562280 is 82265232044828.

It is a super-2 number, since 2×8284402325622802 (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188784665 + ... + 193123095.

It is an arithmetic number, because the mean of its divisors is an integer number (31365317793600).

Almost surely, 2828440232562280 is an apocalyptic number.

It is an amenable number.

828440232562280 is an abundant number, since it is smaller than the sum of its proper divisors (1178940106228120).

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

828440232562280 is a wasteful number, since it uses less digits than its factorization.

828440232562280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705674 (or 4705670 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 56.

The spelling of 828440232562280 in words is "eight hundred twenty-eight trillion, four hundred forty billion, two hundred thirty-two million, five hundred sixty-two thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 367219 734438 1468876 1836095 2937752 3672190 4338431 4773847 7344380 8676862 9547694 14688760 17353724 19095388 21692155 23869235 34707448 38190776 43384310 47738470 56399603 86768620 95476940 112799206 173537240 190953880 225598412 281998015 451196824 563996030 1127992060 2255984120 1593154293389 3186308586778 6372617173556 7965771466945 12745234347112 15931542933890 20711005814057 31863085867780 41422011628114 63726171735560 82844023256228 103555029070285 165688046512456 207110058140570 414220116281140 828440232562280