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13123323100 = 22521093120067
BaseRepresentation
bin11000011100011011…
…00000010011011100
31020212120211212221201
430032031200103130
5203334032314400
610010114205244
7643131256126
oct141615402334
936776755851
1013123323100
115624856978
122662b83824
131311ac0354
148c6cac216
1551c1b206a
hex30e3604dc

13123323100 has 36 divisors (see below), whose sum is σ = 28503903064. Its totient is φ = 5244482880.

The previous prime is 13123323029. The next prime is 13123323113. The reversal of 13123323100 is 132332131.

It is a super-2 number, since 2×131233231002 (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 11 ways as a sum of consecutive naturals, for example, 49267 + ... + 169333.

Almost surely, 213123323100 is an apocalyptic number.

13123323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123323100 is an abundant number, since it is smaller than the sum of its proper divisors (15380579964).

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

13123323100 is a wasteful number, since it uses less digits than its factorization.

13123323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121174 (or 121167 counting only the distinct ones).

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

Adding to 13123323100 its reverse (132332131), we get a palindrome (13255655231).

The spelling of 13123323100 in words is "thirteen billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1093 2186 4372 5465 10930 21860 27325 54650 109300 120067 240134 480268 600335 1200670 2401340 3001675 6003350 12006700 131233231 262466462 524932924 656166155 1312332310 2624664620 3280830775 6561661550 13123323100