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12100133130 = 2352936737897
BaseRepresentation
bin10110100010011100…
…10110000100001010
31011020021112110011220
423101032112010022
5144240113230010
65320403502510
7605565302031
oct132116260412
934207473156
1012100133130
11514a234128
122418387a36
1311aab23ab7
1482b045718
154ac44e970
hex2d139610a

12100133130 has 64 divisors (see below), whose sum is σ = 30124362240. Its totient is φ = 3106865664.

The previous prime is 12100133119. The next prime is 12100133137. The reversal of 12100133130 is 3133100121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12100133137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300342 + ... + 338238.

It is an arithmetic number, because the mean of its divisors is an integer number (470693160).

Almost surely, 212100133130 is an apocalyptic number.

12100133130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100133130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15062181120).

12100133130 is an abundant number, since it is smaller than the sum of its proper divisors (18024229110).

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

12100133130 is a wasteful number, since it uses less digits than its factorization.

12100133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38303.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12100133130 its reverse (3133100121), we get a palindrome (15233233251).

The spelling of 12100133130 in words is "twelve billion, one hundred million, one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 367 435 734 870 1101 1835 2202 3670 5505 10643 11010 21286 31929 37897 53215 63858 75794 106430 113691 159645 189485 227382 319290 378970 568455 1099013 1136910 2198026 3297039 5495065 6594078 10990130 13908199 16485195 27816398 32970390 41724597 69540995 83449194 139081990 208622985 403337771 417245970 806675542 1210013313 2016688855 2420026626 4033377710 6050066565 12100133130