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10666655560 = 2351124779787
BaseRepresentation
bin10011110111100100…
…00011111101001000
31000112101012020122001
421323302003331020
5133321130434220
64522235240344
7525221035111
oct117362037510
930471166561
1010666655560
11458405a220
1220982a90b4
13100cb53512
147328db208
1542669580a
hex27bc83f48

10666655560 has 64 divisors (see below), whose sum is σ = 26195037120. Its totient is φ = 3876821760.

The previous prime is 10666655543. The next prime is 10666655621. The reversal of 10666655560 is 6555666601.

It is a super-2 number, since 2×106666555602 (a number of 21 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 10666655560.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1084987 + ... + 1094773.

It is an arithmetic number, because the mean of its divisors is an integer number (409297455).

Almost surely, 210666655560 is an apocalyptic number.

10666655560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10666655560 is an abundant number, since it is smaller than the sum of its proper divisors (15528381560).

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

10666655560 is a wasteful number, since it uses less digits than its factorization.

10666655560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12286 (or 12282 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

It can be divided in two parts, 106 and 66655560, that added together give a palindrome (66655666).

The spelling of 10666655560 in words is "ten billion, six hundred sixty-six million, six hundred fifty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 2477 4954 9787 9908 12385 19574 19816 24770 27247 39148 48935 49540 54494 78296 97870 99080 107657 108988 136235 195740 215314 217976 272470 391480 430628 538285 544940 861256 1076570 1089880 2153140 4306280 24242399 48484798 96969596 121211995 193939192 242423990 266666389 484847980 533332778 969695960 1066665556 1333331945 2133331112 2666663890 5333327780 10666655560