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12429717244 = 227443918473
BaseRepresentation
bin10111001001101111…
…00110111011111100
31012002020201001120221
423210313212323330
5200424001422434
65413215551124
7620006565460
oct134467467374
935066631527
1012429717244
1152a928459a
1224aa82b4a4
1312311ac499
1485cb1a4a0
154cb3542b4
hex2e4de6efc

12429717244 has 12 divisors (see below), whose sum is σ = 24859434544. Its totient is φ = 5327021664.

The previous prime is 12429717239. The next prime is 12429717253. The reversal of 12429717244 is 44271792421.

12429717244 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12429717244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221959209 + ... + 221959264.

Almost surely, 212429717244 is an apocalyptic number.

12429717244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12429717244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12429717244 is a wasteful number, since it uses less digits than its factorization.

12429717244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443918484 (or 443918482 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The spelling of 12429717244 in words is "twelve billion, four hundred twenty-nine million, seven hundred seventeen thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 443918473 887836946 1775673892 3107429311 6214858622 12429717244