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8650139680 = 255713594103
BaseRepresentation
bin10000000111001011…
…01010100000100000
3211022211202121212201
420003211222200200
5120203413432210
63550202302544
7424233655060
oct100345524040
924284677781
108650139680
113739861a76
121814ab7a54
13a7b145860
145c0b833a0
1535961e53a
hex20396a820

8650139680 has 96 divisors (see below), whose sum is σ = 25151986944. Its totient is φ = 2737622016.

The previous prime is 8650139669. The next prime is 8650139711. The reversal of 8650139680 is 869310568.

It is a self number, because there is not a number n which added to its sum of digits gives 8650139680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282492 + ... + 311611.

It is an arithmetic number, because the mean of its divisors is an integer number (261999864).

Almost surely, 28650139680 is an apocalyptic number.

8650139680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8650139680 is an abundant number, since it is smaller than the sum of its proper divisors (16501847264).

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

8650139680 is a wasteful number, since it uses less digits than its factorization.

8650139680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594138 (or 594130 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 8650139680 is about 93006.1271099921. The cubic root of 8650139680 is about 2052.7735355774.

The spelling of 8650139680 in words is "eight billion, six hundred fifty million, one hundred thirty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 80 91 104 112 130 140 160 182 208 224 260 280 364 416 455 520 560 728 910 1040 1120 1456 1820 2080 2912 3640 7280 14560 594103 1188206 2376412 2970515 4158721 4752824 5941030 7723339 8317442 9505648 11882060 15446678 16634884 19011296 20793605 23764120 30893356 33269768 38616695 41587210 47528240 54063373 61786712 66539536 77233390 83174420 95056480 108126746 123573424 133079072 154466780 166348840 216253492 247146848 270316865 308933560 332697680 432506984 540633730 617867120 665395360 865013968 1081267460 1235734240 1730027936 2162534920 4325069840 8650139680