Base | Representation |
---|---|
bin | 1010100001001000100… |
… | …00010110110100011100 |
3 | 1021112210120121120012011 |
4 | 11100210100112310130 |
5 | 21410104143123122 |
6 | 434003533521004 |
7 | 35052320145220 |
oct | 5204420266434 |
9 | 1245716546164 |
10 | 361385520412 |
11 | 12a298783354 |
12 | 5a057343164 |
13 | 28103637a57 |
14 | 136c3a18780 |
15 | 9601896377 |
hex | 5424416d1c |
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".
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