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361385520412 = 227191736835749
BaseRepresentation
bin1010100001001000100…
…00010110110100011100
31021112210120121120012011
411100210100112310130
521410104143123122
6434003533521004
735052320145220
oct5204420266434
91245716546164
10361385520412
1112a298783354
125a057343164
1328103637a57
14136c3a18780
159601896377
hex5424416d1c

361385520412 has 96 divisors (see below), whose sum is σ = 766463040000. Its totient is φ = 145640892672.

The previous prime is 361385520409. The next prime is 361385520427. The reversal of 361385520412 is 214025583163.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62857714 + ... + 62863462.

It is an arithmetic number, because the mean of its divisors is an integer number (7983990000).

Almost surely, 2361385520412 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 361385520412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383231520000).

361385520412 is an abundant number, since it is smaller than the sum of its proper divisors (405077519588).

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

361385520412 is a wasteful number, since it uses less digits than its factorization.

361385520412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635 (or 6633 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 361385520412 in words is "three hundred sixty-one billion, three hundred eighty-five million, five hundred twenty thousand, four hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 173 266 346 532 683 692 1211 1366 2422 2732 3287 4781 4844 5749 6574 9562 11498 12977 13148 19124 22996 23009 25954 40243 46018 51908 80486 90839 92036 109231 118159 160972 181678 218462 236318 363356 436924 472636 764617 827113 994577 1529234 1654226 1989154 2245021 3058468 3308452 3926567 3978308 4490042 6962039 7853134 8980084 13924078 15706268 15715147 18896963 27485969 27848156 31430294 37793926 54971938 62860588 74604773 75587852 109943876 132278741 149209546 264557482 298419092 522233411 529114964 679296091 1044466822 1358592182 2088933644 2717184364 4755072637 9510145274 12906625729 19020290548 25813251458 51626502916 90346380103 180692760206 361385520412