Base | Representation |
---|---|
bin | 11000001011010111… |
… | …01001101100001010 |
3 | 1020111121121001101102 |
4 | 30011223221230022 |
5 | 203040414342142 |
6 | 5544003221402 |
7 | 636443066561 |
oct | 140553515412 |
9 | 36447531342 |
10 | 12980230922 |
11 | 556100267a |
12 | 2623077862 |
13 | 12bb26c719 |
14 | 8b1ca0bd8 |
15 | 50e849532 |
hex | 305ae9b0a |
12980230922 has 16 divisors (see below), whose sum is σ = 19917781632. Its totient is φ = 6341431200.
The previous prime is 12980230919. The next prime is 12980230927. The reversal of 12980230922 is 22903208921.
It is not an unprimeable number, because it can be changed into a prime (12980230927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58388 + ... + 171375.
It is an arithmetic number, because the mean of its divisors is an integer number (1244861352).
Almost surely, 212980230922 is an apocalyptic number.
12980230922 is a deficient number, since it is larger than the sum of its proper divisors (6937550710).
12980230922 is a wasteful number, since it uses less digits than its factorization.
12980230922 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230413.
The product of its (nonzero) digits is 31104, while the sum is 38.
The spelling of 12980230922 in words is "twelve billion, nine hundred eighty million, two hundred thirty thousand, nine hundred twenty-two".
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