Base | Representation |
---|---|
bin | 10110100010100101… |
… | …10011101100111100 |
3 | 1011020100201220002010 |
4 | 23101102303230330 |
5 | 144240413144400 |
6 | 5320444531220 |
7 | 605611244025 |
oct | 132122635474 |
9 | 34210656063 |
10 | 12101303100 |
11 | 514a963147 |
12 | 2418850b10 |
13 | 11ab1434a3 |
14 | 82b26bc4c |
15 | 4ac5d1450 |
hex | 2d14b3b3c |
12101303100 has 36 divisors (see below), whose sum is σ = 35013104504. Its totient is φ = 3227014080.
The previous prime is 12101303087. The next prime is 12101303101. The reversal of 12101303100 is 130310121.
It is a super-2 number, since 2×121013031002 (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 (12101303101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20168539 + ... + 20169138.
Almost surely, 212101303100 is an apocalyptic number.
12101303100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12101303100 is an abundant number, since it is smaller than the sum of its proper divisors (22911801404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12101303100 is a wasteful number, since it uses less digits than its factorization.
12101303100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40337694 (or 40337687 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 12101303100 its reverse (130310121), we get a palindrome (12231613221).
The spelling of 12101303100 in words is "twelve billion, one hundred one million, three hundred three thousand, one hundred".
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