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5207797840 = 245759163967
BaseRepresentation
bin1001101100110100…
…01011000001010000
3111102221101112121111
410312122023001100
541131144012330
62220433103104
7243024360040
oct46632130120
914387345544
105207797840
112232736663
1210140b7a94
1364cc162ab
14375913720
1520730132a
hex13668b050

5207797840 has 160 divisors (see below), whose sum is σ = 14173378560. Its totient is φ = 1742694912.

The previous prime is 5207797813. The next prime is 5207797853. The reversal of 5207797840 is 487977025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5385037 + ... + 5386003.

It is an arithmetic number, because the mean of its divisors is an integer number (88583616).

Almost surely, 25207797840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5207797840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7086689280).

5207797840 is an abundant number, since it is smaller than the sum of its proper divisors (8965580720).

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

5207797840 is a wasteful number, since it uses less digits than its factorization.

5207797840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 5207797840 is about 72165.0735466957. The cubic root of 5207797840 is about 1733.3437773861.

The spelling of 5207797840 in words is "five billion, two hundred seven million, seven hundred ninety-seven thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 59 70 80 112 118 140 163 236 280 295 326 413 472 560 590 652 815 826 944 967 1141 1180 1304 1630 1652 1934 2065 2282 2360 2608 3260 3304 3868 4130 4564 4720 4835 5705 6520 6608 6769 7736 8260 9128 9617 9670 11410 13040 13538 15472 16520 18256 19234 19340 22820 27076 33040 33845 38468 38680 45640 48085 54152 57053 67319 67690 76936 77360 91280 96170 108304 114106 134638 135380 153872 157621 192340 228212 269276 270760 285265 315242 336595 384680 399371 456424 538552 541520 570530 630484 673190 769360 788105 798742 912848 1077104 1103347 1141060 1260968 1346380 1576210 1597484 1996855 2206694 2282120 2521936 2692760 3152420 3194968 3993710 4413388 4564240 5385520 5516735 6304840 6389936 7987420 8826776 9299639 11033470 12609680 15974840 17653552 18599278 22066940 31949680 37198556 44133880 46498195 65097473 74397112 88267760 92996390 130194946 148794224 185992780 260389892 325487365 371985560 520779784 650974730 743971120 1041559568 1301949460 2603898920 5207797840