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12071168244 = 22323161177319
BaseRepresentation
bin10110011110111111…
…10110100011110100
31011011021000212211100
423033133312203310
5144210204340434
65313451010100
7605064144222
oct131737664364
934137025740
1012071168244
115134950403
12240a739930
1311a4b22005
14827265b12
154a9b2c699
hex2cf7f68f4

12071168244 has 72 divisors (see below), whose sum is σ = 32014062080. Its totient is φ = 3830068800.

The previous prime is 12071168233. The next prime is 12071168279. The reversal of 12071168244 is 44286117021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12071168199 and 12071168208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20584 + ... + 156735.

Almost surely, 212071168244 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 12071168244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16007031040).

12071168244 is an abundant number, since it is smaller than the sum of its proper divisors (19942893836).

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

12071168244 is a wasteful number, since it uses less digits than its factorization.

12071168244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177421 (or 177416 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 12071168244 in words is "twelve billion, seventy-one million, one hundred sixty-eight thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 31 36 61 62 93 122 124 183 186 244 279 366 372 549 558 732 1098 1116 1891 2196 3782 5673 7564 11346 17019 22692 34038 68076 177319 354638 531957 709276 1063914 1595871 2127828 3191742 5496889 6383484 10816459 10993778 16490667 21632918 21987556 32449377 32981334 43265836 49472001 64898754 65962668 97348131 98944002 129797508 194696262 197888004 335310229 389392524 670620458 1005930687 1341240916 2011861374 3017792061 4023722748 6035584122 12071168244