Base | Representation |
---|---|
bin | 10110111010101000… |
… | …10000110110100000 |
3 | 1011202102021201121200 |
4 | 23131110100312200 |
5 | 200144032324412 |
6 | 5352452121200 |
7 | 613610604261 |
oct | 133524206640 |
9 | 34672251550 |
10 | 12303011232 |
11 | 5243802486 |
12 | 2474306200 |
13 | 1210b78105 |
14 | 849d76968 |
15 | 4c01769dc |
hex | 2dd510da0 |
12303011232 has 36 divisors (see below), whose sum is σ = 34986689010. Its totient is φ = 4101003648.
The previous prime is 12303011221. The next prime is 12303011251. The reversal of 12303011232 is 23211030321.
It can be written as a sum of positive squares in only one way, i.e., 9960838416 + 2342172816 = 99804^2 + 48396^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21359107 + ... + 21359682.
Almost surely, 212303011232 is an apocalyptic number.
12303011232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12303011232 is an abundant number, since it is smaller than the sum of its proper divisors (22683677778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12303011232 is a wasteful number, since it uses less digits than its factorization.
12303011232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42718805 (or 42718794 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12303011232 its reverse (23211030321), we get a palindrome (35514041553).
The spelling of 12303011232 in words is "twelve billion, three hundred three million, eleven thousand, two hundred thirty-two".
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