Base | Representation |
---|---|
bin | 10010110111101111… |
… | …11110000001011100 |
3 | 222011001220001102102 |
4 | 21123313332001130 |
5 | 131222110130322 |
6 | 4353153344232 |
7 | 506030624420 |
oct | 113367760134 |
9 | 28131801372 |
10 | 10131333212 |
11 | 4329967660 |
12 | 1b68b68078 |
13 | c55c81a30 |
14 | 6c178cb80 |
15 | 3e46a1792 |
hex | 25bdfe05c |
10131333212 has 96 divisors (see below), whose sum is σ = 23891879424. Its totient is φ = 3630355200.
The previous prime is 10131333211. The next prime is 10131333239. The reversal of 10131333212 is 21233313101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131333211) 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, 1128662 + ... + 1137602.
It is an arithmetic number, because the mean of its divisors is an integer number (248873744).
Almost surely, 210131333212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10131333212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11945939712).
10131333212 is an abundant number, since it is smaller than the sum of its proper divisors (13760546212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131333212 is a wasteful number, since it uses less digits than its factorization.
10131333212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9259 (or 9257 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 10131333212 its reverse (21233313101), we get a palindrome (31364646313).
It can be divided in two parts, 10131 and 333212, that added together give a palindrome (343343).
The spelling of 10131333212 in words is "ten billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred twelve".
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