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3123023130100 = 2252831789210323
BaseRepresentation
bin101101011100100010101…
…011110010110111110100
3102001120001211222210211001
4231130202223302313310
5402131422410130400
610350410320053044
7441426265415626
oct55344253626764
912046054883731
103123023130100
11aa451515a225
1242531a164184
13198666139843
14ab225946c16
1556384d0ba6a
hex2d722af2df4

3123023130100 has 72 divisors (see below), whose sum is σ = 6862476710880. Its totient is φ = 1233462814080.

The previous prime is 3123023130089. The next prime is 3123023130173. The reversal of 3123023130100 is 10313203213.

It is a super-2 number, since 2×31230231301002 (a number of 26 digits) contains 22 as substring.

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, 14743539 + ... + 14953861.

It is an arithmetic number, because the mean of its divisors is an integer number (95312176540).

Almost surely, 23123023130100 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 3123023130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3431238355440).

3123023130100 is an abundant number, since it is smaller than the sum of its proper divisors (3739453580780).

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

3123023130100 is a wasteful number, since it uses less digits than its factorization.

3123023130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212209 (or 212202 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 3123023130100 its reverse (10313203213), we get a palindrome (3133336333313).

The spelling of 3123023130100 in words is "three trillion, one hundred twenty-three billion, twenty-three million, one hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 166 332 415 830 1660 1789 2075 3578 4150 7156 8300 8945 17890 35780 44725 89450 148487 178900 210323 296974 420646 593948 742435 841292 1051615 1484870 2103230 2969740 3712175 4206460 5258075 7424350 10516150 14848700 17456809 21032300 34913618 69827236 87284045 174568090 349136180 376267847 436420225 752535694 872840450 1505071388 1745680900 1881339235 3762678470 7525356940 9406696175 18813392350 31230231301 37626784700 62460462602 124920925204 156151156505 312302313010 624604626020 780755782525 1561511565050 3123023130100