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5681206680 = 233550039463
BaseRepresentation
bin1010100101010000…
…00101010110011000
3112122221012012110020
411102220011112120
543113342103210
62335423550440
7260533313532
oct52250052630
915587165406
105681206680
112455990736
12112675b420
136c701ab76
143bc746852
15233b65770
hex152a05598

5681206680 has 64 divisors (see below), whose sum is σ = 17048828160. Its totient is φ = 1514525568.

The previous prime is 5681206679. The next prime is 5681206703. The reversal of 5681206680 is 866021865.

It is a super-2 number, since 2×56812066802 = 64552218681753244800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 595629 + ... + 605091.

It is an arithmetic number, because the mean of its divisors is an integer number (266387940).

Almost surely, 25681206680 is an apocalyptic number.

It is an amenable number.

5681206680 is an abundant number, since it is smaller than the sum of its proper divisors (11367621480).

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

5681206680 is a wasteful number, since it uses less digits than its factorization.

5681206680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14480 (or 14476 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 5681206680 is about 75373.7797911183. The cubic root of 5681206680 is about 1784.3506209916.

The spelling of 5681206680 in words is "five billion, six hundred eighty-one million, two hundred six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5003 9463 10006 15009 18926 20012 25015 28389 30018 37852 40024 47315 50030 56778 60036 75045 75704 94630 100060 113556 120072 141945 150090 189260 200120 227112 283890 300180 378520 567780 600360 1135560 47343389 94686778 142030167 189373556 236716945 284060334 378747112 473433890 568120668 710150835 946867780 1136241336 1420301670 1893735560 2840603340 5681206680