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13102131000 = 233537837517
BaseRepresentation
bin11000011001111001…
…01010011100111000
31020211002222012212010
430030330222130320
5203313121143000
610004040045520
7642453163440
oct141474523470
936732865763
1013102131000
1156138a1a42
122657a638a0
13130a5b044a
148c4153120
1551a3c7d50
hex30cf2a738

13102131000 has 256 divisors, whose sum is σ = 47287618560. Its totient is φ = 2958297600.

The previous prime is 13102130989. The next prime is 13102131001. The reversal of 13102131000 is 13120131.

13102131000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131021310002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1739242 + ... + 1746758.

It is an arithmetic number, because the mean of its divisors is an integer number (184717260).

Almost surely, 213102131000 is an apocalyptic number.

13102131000 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 13102131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23643809280).

13102131000 is an abundant number, since it is smaller than the sum of its proper divisors (34185487560).

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

13102131000 is a wasteful number, since it uses less digits than its factorization.

13102131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631 (or 7617 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13102131000 its reverse (13120131), we get a palindrome (13115251131).

The spelling of 13102131000 in words is "thirteen billion, one hundred two million, one hundred thirty-one thousand".