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6455288980 = 2257181254747
BaseRepresentation
bin1100000001100001…
…11110010010010100
3121122212202122202001
412000300332102110
5101210023221410
62544315125044
7315653023330
oct60060762224
917585678661
106455288980
11281292a178
121301a43784
137bb4c7c2a
144534867c0
1527babd33a
hex180c3e494

6455288980 has 48 divisors (see below), whose sum is σ = 15578349696. Its totient is φ = 2201005440.

The previous prime is 6455288941. The next prime is 6455288981. The reversal of 6455288980 is 898825546.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455288981) by changing a digit.

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, 102034 + ... + 152713.

It is an arithmetic number, because the mean of its divisors is an integer number (324548952).

Almost surely, 26455288980 is an apocalyptic number.

It is an amenable number.

6455288980 is an abundant number, since it is smaller than the sum of its proper divisors (9123060716).

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

6455288980 is a wasteful number, since it uses less digits than its factorization.

6455288980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254944 (or 254942 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The square root of 6455288980 is about 80344.8130248618. The cubic root of 6455288980 is about 1861.9666426486.

The spelling of 6455288980 in words is "six billion, four hundred fifty-five million, two hundred eighty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 181 362 724 905 1267 1810 2534 3620 5068 6335 12670 25340 254747 509494 1018988 1273735 1783229 2547470 3566458 5094940 7132916 8916145 17832290 35664580 46109207 92218414 184436828 230546035 322764449 461092070 645528898 922184140 1291057796 1613822245 3227644490 6455288980