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12047342580 = 22325713735491
BaseRepresentation
bin10110011100001001…
…11101101111110100
31011002121012102011100
423032010331233310
5144133104430310
65311240210100
7604354502520
oct131604755764
934077172140
1012047342580
115122457879
122402769930
13119cbcc4a0
14824022d80
154a79c2ec0
hex2ce13dbf4

12047342580 has 144 divisors (see below), whose sum is σ = 44976806784. Its totient is φ = 2541853440.

The previous prime is 12047342579. The next prime is 12047342599. The reversal of 12047342580 is 8524374021.

It is a happy number.

12047342580 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 73 + 4 + 2 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 351366 + ... + 384125.

It is an arithmetic number, because the mean of its divisors is an integer number (312338936).

Almost surely, 212047342580 is an apocalyptic number.

12047342580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12047342580 is an abundant number, since it is smaller than the sum of its proper divisors (32929464204).

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

12047342580 is a wasteful number, since it uses less digits than its factorization.

12047342580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735526 (or 735521 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 12047342580 in words is "twelve billion, forty-seven million, three hundred forty-two thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 90 91 105 117 126 130 140 156 180 182 195 210 234 252 260 273 315 364 390 420 455 468 546 585 630 780 819 910 1092 1170 1260 1365 1638 1820 2340 2730 3276 4095 5460 8190 16380 735491 1470982 2206473 2941964 3677455 4412946 5148437 6619419 7354910 8825892 9561383 10296874 11032365 13238838 14709820 15445311 19122766 20593748 22064730 25742185 26477676 28684149 30890622 33097095 38245532 44129460 46335933 47806915 51484370 57368298 61781244 66194190 66929681 77226555 86052447 92671866 95613830 102968740 114736596 132388380 133859362 143420745 154453110 172104894 185343732 191227660 200789043 231679665 267718724 286841490 308906220 334648405 344209788 401578086 430262235 463359330 573682980 602367129 669296810 803156172 860524470 926718660 1003945215 1204734258 1338593620 1721048940 2007890430 2409468516 3011835645 4015780860 6023671290 12047342580