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12287514772 = 2213238347459
BaseRepresentation
bin10110111000110010…
…01001100010010100
31011201100010102110201
423130121021202110
5200131100433042
65351140030244
7613332103141
oct133431114224
934640112421
1012287514772
115235a88795
12246b092384
13120a8b0800
14847ca13c8
154bdb151b7
hex2dc649894

12287514772 has 36 divisors (see below), whose sum is σ = 23345763840. Its totient is φ = 5656234272.

The previous prime is 12287514769. The next prime is 12287514787. The reversal of 12287514772 is 27741578221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235179 + ... + 282637.

It is an arithmetic number, because the mean of its divisors is an integer number (648493440).

Almost surely, 212287514772 is an apocalyptic number.

It is an amenable number.

12287514772 is a deficient number, since it is larger than the sum of its proper divisors (11058249068).

12287514772 is a wasteful number, since it uses less digits than its factorization.

12287514772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47872 (or 47857 counting only the distinct ones).

The product of its digits is 439040, while the sum is 46.

The spelling of 12287514772 in words is "twelve billion, two hundred eighty-seven million, five hundred fourteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 13 26 52 169 338 383 676 766 1532 4979 9958 19916 47459 64727 94918 129454 189836 258908 616967 1233934 2467868 8020571 16041142 18176797 32082284 36353594 72707188 236298361 472596722 945193444 3071878693 6143757386 12287514772