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206848634880 = 212353366677
BaseRepresentation
bin1100000010100100100…
…0111011000000000000
3201202220122012101101010
43000221020323000000
511342111222304010
6235005220040520
720641621246356
oct3005110730000
9652818171333
10206848634880
117a7a6730a28
1234109233140
1316676168a54
14a0238b97d6
1555a983e620
hex302923b000

206848634880 has 104 divisors (see below), whose sum is σ = 661835027952. Its totient is φ = 55159619584.

The previous prime is 206848634833. The next prime is 206848634911. The reversal of 206848634880 is 88436848602.

206848634880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2068486348802 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206848634880.

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 7 ways as a sum of consecutive naturals, for example, 1621899 + ... + 1744778.

Almost surely, 2206848634880 is an apocalyptic number.

206848634880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206848634880 is an abundant number, since it is smaller than the sum of its proper divisors (454986393072).

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

206848634880 is an equidigital number, since it uses as much as digits as its factorization.

206848634880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366709 (or 3366687 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 57.

The spelling of 206848634880 in words is "two hundred six billion, eight hundred forty-eight million, six hundred thirty-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2048 2560 3072 3840 4096 5120 6144 7680 10240 12288 15360 20480 30720 61440 3366677 6733354 10100031 13466708 16833385 20200062 26933416 33666770 40400124 50500155 53866832 67333540 80800248 101000310 107733664 134667080 161600496 202000620 215467328 269334160 323200992 404001240 430934656 538668320 646401984 808002480 861869312 1077336640 1292803968 1616004960 1723738624 2154673280 2585607936 3232009920 3447477248 4309346560 5171215872 6464019840 6894954496 8618693120 10342431744 12928039680 13789908992 17237386240 20684863488 25856079360 34474772480 41369726976 51712158720 68949544960 103424317440 206848634880