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13330443100 = 22521341924473
BaseRepresentation
bin11000110101000111…
…00110101101011100
31021102000120200011211
430122203212231130
5204300043134400
610042433354204
7651224616412
oct143243465534
937360520154
1013330443100
115720762227
122700408964
13134599b370
149065c52b2
15530475dba
hex31a8e6b5c

13330443100 has 72 divisors (see below), whose sum is σ = 31227845040. Its totient is φ = 4910062080.

The previous prime is 13330442989. The next prime is 13330443127. The reversal of 13330443100 is 134403331.

It is a happy number.

It is a super-2 number, since 2×133304431002 (a number of 21 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, 532464 + ... + 556936.

It is an arithmetic number, because the mean of its divisors is an integer number (433720070).

Almost surely, 213330443100 is an apocalyptic number.

13330443100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13330443100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15613922520).

13330443100 is an abundant number, since it is smaller than the sum of its proper divisors (17897401940).

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

13330443100 is a wasteful number, since it uses less digits than its factorization.

13330443100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24919 (or 24912 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13330443100 its reverse (134403331), we get a palindrome (13464846431).

The spelling of 13330443100 in words is "thirteen billion, three hundred thirty million, four hundred forty-three thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 419 650 838 1300 1676 2095 4190 5447 8380 10475 10894 20950 21788 24473 27235 41900 48946 54470 97892 108940 122365 136175 244730 272350 318149 489460 544700 611825 636298 1223650 1272596 1590745 2447300 3181490 6362980 7953725 10254187 15907450 20508374 31814900 41016748 51270935 102541870 133304431 205083740 256354675 266608862 512709350 533217724 666522155 1025418700 1333044310 2666088620 3332610775 6665221550 13330443100