Base | Representation |
---|---|
bin | 10110101011001011… |
… | …10000100000101110 |
3 | 1011102101100202111020 |
4 | 23111211300200232 |
5 | 144412341122010 |
6 | 5331541435010 |
7 | 610445006466 |
oct | 132545604056 |
9 | 34371322436 |
10 | 12173379630 |
11 | 5187612325 |
12 | 2438a0ba66 |
13 | 11c005b219 |
14 | 836a70ba6 |
15 | 4b3abc470 |
hex | 2d597082e |
12173379630 has 32 divisors (see below), whose sum is σ = 29221513344. Its totient is φ = 3245634336.
The previous prime is 12173379607. The next prime is 12173379637. The reversal of 12173379630 is 3697337121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12173379637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141429 + ... + 210591.
It is an arithmetic number, because the mean of its divisors is an integer number (913172292).
Almost surely, 212173379630 is an apocalyptic number.
12173379630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12173379630 is an abundant number, since it is smaller than the sum of its proper divisors (17048133714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12173379630 is a wasteful number, since it uses less digits than its factorization.
12173379630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75040.
The product of its (nonzero) digits is 142884, while the sum is 42.
The spelling of 12173379630 in words is "twelve billion, one hundred seventy-three million, three hundred seventy-nine thousand, six hundred thirty".
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