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12260143490 = 2572194132119
BaseRepresentation
bin10110110101100001…
…01111000110000010
31011122102121211010112
423122300233012002
5200102044042430
65344321231322
7612550333400
oct133260570602
934572554115
1012260143490
1152215932a1
122461a92542
13120501919a
148443b8470
154bb50a195
hex2dac2f182

12260143490 has 96 divisors (see below), whose sum is σ = 27682300800. Its totient is φ = 3884993280.

The previous prime is 12260143481. The next prime is 12260143513. The reversal of 12260143490 is 9434106221.

It is a super-2 number, since 2×122601434902 (a number of 21 digits) contains 22 as substring.

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, 365651 + ... + 397769.

It is an arithmetic number, because the mean of its divisors is an integer number (288357300).

Almost surely, 212260143490 is an apocalyptic number.

12260143490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12260143490 is an abundant number, since it is smaller than the sum of its proper divisors (15422157310).

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

12260143490 is a wasteful number, since it uses less digits than its factorization.

12260143490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32200 (or 32193 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 12260143490 in words is "twelve billion, two hundred sixty million, one hundred forty-three thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 41 49 70 82 95 98 133 190 205 245 266 287 410 490 574 665 779 931 1330 1435 1558 1862 2009 2870 3895 4018 4655 5453 7790 9310 10045 10906 20090 27265 32119 38171 54530 64238 76342 160595 190855 224833 321190 381710 449666 610261 1124165 1220522 1316879 1573831 2248330 2633758 3051305 3147662 4271827 6102610 6584395 7869155 8543654 9218153 13168790 15738310 18436306 21359135 25020701 29902789 42718270 46090765 50041402 59805578 64527071 92181530 125103505 129054142 149513945 175144907 250207010 299027890 322635355 350289814 645270710 875724535 1226014349 1751449070 2452028698 6130071745 12260143490