Base | Representation |
---|---|
bin | 1011000010001000010100… |
… | …0101110000110001110110 |
3 | 1120221201210121122101210102 |
4 | 2300202011011300301312 |
5 | 3042224214423233100 |
6 | 41445001125154102 |
7 | 2361310645036220 |
oct | 260420505606166 |
9 | 46851717571712 |
10 | 12131220524150 |
11 | 39579047a8882 |
12 | 143b14125b932 |
13 | 69cc7a3c3750 |
14 | 2dd2231db410 |
15 | 160862ec5cd5 |
hex | b0885170c76 |
12131220524150 has 96 divisors (see below), whose sum is σ = 27989835202560. Its totient is φ = 3809100193920.
The previous prime is 12131220524147. The next prime is 12131220524167. The reversal of 12131220524150 is 5142502213121.
It is a super-2 number, since 2×121312205241502 (a number of 27 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 47 ways as a sum of consecutive naturals, for example, 9919010 + ... + 11074709.
It is an arithmetic number, because the mean of its divisors is an integer number (291560783360).
Almost surely, 212131220524150 is an apocalyptic number.
12131220524150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12131220524150 is an abundant number, since it is smaller than the sum of its proper divisors (15858614678410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12131220524150 is a wasteful number, since it uses less digits than its factorization.
12131220524150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20993878 (or 20993873 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
Adding to 12131220524150 its reverse (5142502213121), we get a palindrome (17273722737271).
The spelling of 12131220524150 in words is "twelve trillion, one hundred thirty-one billion, two hundred twenty million, five hundred twenty-four thousand, one hundred fifty".
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