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12198873896 = 2311295390191
BaseRepresentation
bin10110101110001110…
…00000101100101000
31011111011100000001022
423113013000230220
5144440402431041
65334252112012
7611204501006
oct132707005450
934434300038
1012198873896
11519aa45570
122445465608
1311c54163a1
1483a1c9a76
154b5e5624b
hex2d71c0b28

12198873896 has 64 divisors (see below), whose sum is σ = 26299987200. Its totient is φ = 5252665600.

The previous prime is 12198873851. The next prime is 12198873899. The reversal of 12198873896 is 69837889121.

It is not an unprimeable number, because it can be changed into a prime (12198873899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90161 + ... + 180351.

It is an arithmetic number, because the mean of its divisors is an integer number (410937300).

Almost surely, 212198873896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12198873896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13149993600).

12198873896 is an abundant number, since it is smaller than the sum of its proper divisors (14101113304).

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

12198873896 is a wasteful number, since it uses less digits than its factorization.

12198873896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90290 (or 90286 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 62.

The spelling of 12198873896 in words is "twelve billion, one hundred ninety-eight million, eight hundred seventy-three thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 22 29 44 53 58 88 106 116 212 232 319 424 583 638 1166 1276 1537 2332 2552 3074 4664 6148 12296 16907 33814 67628 90191 135256 180382 360764 721528 992101 1984202 2615539 3968404 4780123 5231078 7936808 9560246 10462156 19120492 20924312 28770929 38240984 52581353 57541858 105162706 115083716 138623567 210325412 230167432 277247134 420650824 554494268 1108988536 1524859237 3049718474 6099436948 12198873896