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12265681670 = 2511237273971
BaseRepresentation
bin10110110110001011…
…10111001100000110
31011122211001012002022
423123011313030012
5200110003303140
65345040043142
7612645400604
oct133305671406
934584035068
1012265681670
115224726200
1224639034b2
131206207c08
1484501a874
154bbc510b5
hex2db177306

12265681670 has 48 divisors (see below), whose sum is σ = 24923780784. Its totient is φ = 4339684800.

The previous prime is 12265681643. The next prime is 12265681691. The reversal of 12265681670 is 7618656221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92216 + ... + 181755.

It is an arithmetic number, because the mean of its divisors is an integer number (519245433).

Almost surely, 212265681670 is an apocalyptic number.

12265681670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12265681670 is an abundant number, since it is smaller than the sum of its proper divisors (12658099114).

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

12265681670 is a wasteful number, since it uses less digits than its factorization.

12265681670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274037 (or 274026 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12265681670 in words is "twelve billion, two hundred sixty-five million, six hundred eighty-one thousand, six hundred seventy".

Divisors: 1 2 5 10 11 22 37 55 74 110 121 185 242 370 407 605 814 1210 2035 4070 4477 8954 22385 44770 273971 547942 1369855 2739710 3013681 6027362 10136927 15068405 20273854 30136810 33150491 50684635 66300982 101369270 111506197 165752455 223012394 331504910 557530985 1115061970 1226568167 2453136334 6132840835 12265681670