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28830772715530 = 2559791274870499
BaseRepresentation
bin1101000111000101011111…
…11101110110000000001010
310210002012021010021120022111
412203202233331312000022
512234330410303344110
6141152401340412534
76033645265430032
oct643425775660012
9123065233246274
1028830772715530
119206075643675
12329771b54714a
131311965338576
147195b9b728c2
1534ee4b99ee8a
hex1a38aff7600a

28830772715530 has 64 divisors (see below), whose sum is σ = 53863833600000. Its totient is φ = 11105203007808.

The previous prime is 28830772715527. The next prime is 28830772715557. The reversal of 28830772715530 is 3551727703882.

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 31 ways as a sum of consecutive naturals, for example, 3484221 + ... + 8354719.

It is an arithmetic number, because the mean of its divisors is an integer number (841622400000).

Almost surely, 228830772715530 is an apocalyptic number.

28830772715530 is a deficient number, since it is larger than the sum of its proper divisors (25033060884470).

28830772715530 is a wasteful number, since it uses less digits than its factorization.

28830772715530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870771.

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 28830772715530 in words is "twenty-eight trillion, eight hundred thirty billion, seven hundred seventy-two million, seven hundred fifteen thousand, five hundred thirty".

Divisors: 1 2 5 10 59 79 118 127 158 254 295 395 590 635 790 1270 4661 7493 9322 10033 14986 20066 23305 37465 46610 50165 74930 100330 591947 1183894 2959735 4870499 5919470 9740998 24352495 48704990 287359441 384769421 574718882 618553373 769538842 1237106746 1436797205 1923847105 2873594410 3092766865 3847694210 6185533730 22701395839 36494649007 45402791678 48865716467 72989298014 97731432934 113506979195 182473245035 227013958390 244328582335 364946490070 488657164670 2883077271553 5766154543106 14415386357765 28830772715530