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12734459676 = 2232353734991
BaseRepresentation
bin10111101110000100…
…00110111100011100
31012212111010120121200
423313002012330130
5202040010202201
65503343355500
7630400056411
oct136702067434
935774116550
1012734459676
1154452a8044
1225748b2b90
13127c37aa53
1488b3a6108
154e7e9d386
hex2f7086f1c

12734459676 has 18 divisors (see below), whose sum is σ = 32189884272. Its totient is φ = 4244819880.

The previous prime is 12734459663. The next prime is 12734459681. The reversal of 12734459676 is 67695443721.

12734459676 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 44 + 596 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176867460 + ... + 176867531.

It is an arithmetic number, because the mean of its divisors is an integer number (1788326904).

Almost surely, 212734459676 is an apocalyptic number.

It is an amenable number.

12734459676 is an abundant number, since it is smaller than the sum of its proper divisors (19455424596).

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

12734459676 is a wasteful number, since it uses less digits than its factorization.

12734459676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353735001 (or 353734996 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 12734459676 in words is "twelve billion, seven hundred thirty-four million, four hundred fifty-nine thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 353734991 707469982 1061204973 1414939964 2122409946 3183614919 4244819892 6367229838 12734459676