Base | Representation |
---|---|
bin | 110001011011… |
… | …000000101010 |
3 | 220101012212101 |
4 | 301123000222 |
5 | 11304040230 |
6 | 1141404014 |
7 | 215056456 |
oct | 61330052 |
9 | 26335771 |
10 | 12955690 |
11 | 7349890 |
12 | 440960a |
13 | 28b7cb7 |
14 | 1a13666 |
15 | 120daca |
hex | c5b02a |
12955690 has 16 divisors (see below), whose sum is σ = 25440480. Its totient is φ = 4711120.
The previous prime is 12955687. The next prime is 12955703. The reversal of 12955690 is 9655921.
It is a super-2 number, since 2×129556902 = 335699806752200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58780 + ... + 58999.
It is an arithmetic number, because the mean of its divisors is an integer number (1590030).
Almost surely, 212955690 is an apocalyptic number.
12955690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12955690 is a deficient number, since it is larger than the sum of its proper divisors (12484790).
12955690 is a wasteful number, since it uses less digits than its factorization.
12955690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117797.
The product of its (nonzero) digits is 24300, while the sum is 37.
The square root of 12955690 is about 3599.4013391118. The cubic root of 12955690 is about 234.8660168801.
The spelling of 12955690 in words is "twelve million, nine hundred fifty-five thousand, six hundred ninety".
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