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12770109 = 3311193173
BaseRepresentation
bin110000101101…
…101100111101
3220000210022000
4300231230331
511232120414
61133412513
7213354432
oct60555475
926023260
1012770109
117232410
12433a139
1328516a1
1419a5b89
1511c3b09
hexc2db3d

12770109 has 64 divisors (see below), whose sum is σ = 22732800. Its totient is φ = 6998400.

The previous prime is 12770101. The next prime is 12770141. The reversal of 12770109 is 90107721.

It is not a de Polignac number, because 12770109 - 23 = 12770101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12770101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174897 + ... + 174969.

It is an arithmetic number, because the mean of its divisors is an integer number (355200).

Almost surely, 212770109 is an apocalyptic number.

12770109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12770109 is a deficient number, since it is larger than the sum of its proper divisors (9962691).

12770109 is a wasteful number, since it uses less digits than its factorization.

12770109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 12770109 is about 3573.5289281045. The cubic root of 12770109 is about 233.7391900212.

The spelling of 12770109 in words is "twelve million, seven hundred seventy thousand, one hundred nine".

Divisors: 1 3 9 11 19 27 31 33 57 73 93 99 171 209 219 279 297 341 513 589 627 657 803 837 1023 1387 1767 1881 1971 2263 2409 3069 4161 5301 5643 6479 6789 7227 9207 12483 15257 15903 19437 20367 21681 24893 37449 42997 45771 58311 61101 74679 128991 137313 174933 224037 386973 411939 472967 672111 1160919 1418901 4256703 12770109