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12224904450 = 23521147157639
BaseRepresentation
bin10110110001010100…
…10011110100000010
31011112222022111020220
423120222103310002
5200014033420300
65341022043510
7611641654563
oct133052236402
934488274226
1012224904450
115203704720
122452119596
1311ca92b695
1483d84416a
154b8398da0
hex2d8a93d02

12224904450 has 96 divisors (see below), whose sum is σ = 33777838080. Its totient is φ = 2900539200.

The previous prime is 12224904449. The next prime is 12224904469. The reversal of 12224904450 is 5440942221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 1270 + ... + 156369.

It is an arithmetic number, because the mean of its divisors is an integer number (351852480).

Almost surely, 212224904450 is an apocalyptic number.

12224904450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12224904450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16888919040).

12224904450 is an abundant number, since it is smaller than the sum of its proper divisors (21552933630).

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

12224904450 is a wasteful number, since it uses less digits than its factorization.

12224904450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157712 (or 157707 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 12224904450 in words is "twelve billion, two hundred twenty-four million, nine hundred four thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 47 50 55 66 75 94 110 141 150 165 235 275 282 330 470 517 550 705 825 1034 1175 1410 1551 1650 2350 2585 3102 3525 5170 7050 7755 12925 15510 25850 38775 77550 157639 315278 472917 788195 945834 1576390 1734029 2364585 3468058 3940975 4729170 5202087 7409033 7881950 8670145 10404174 11822925 14818066 17340290 22227099 23645850 26010435 37045165 43350725 44454198 52020870 74090330 81499363 86701450 111135495 130052175 162998726 185225825 222270990 244498089 260104350 370451650 407496815 488996178 555677475 814993630 1111354950 1222490445 2037484075 2444980890 4074968150 6112452225 12224904450