Base | Representation |
---|---|
bin | 101001101100… |
… | …111100000001 |
3 | 202120101211202 |
4 | 221230330001 |
5 | 10244310334 |
6 | 1030150545 |
7 | 161630426 |
oct | 51547401 |
9 | 22511752 |
10 | 10931969 |
11 | 6197394 |
12 | 37b2455 |
13 | 2359b29 |
14 | 1647d4d |
15 | e5e17e |
hex | a6cf01 |
10931969 has 16 divisors (see below), whose sum is σ = 12275712. Its totient is φ = 9681408.
The previous prime is 10931957. The next prime is 10931989. The reversal of 10931969 is 96913901.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10931969 is a prime.
It is a super-2 number, since 2×109319692 = 239015892433922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10931929) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28352 + ... + 28734.
It is an arithmetic number, because the mean of its divisors is an integer number (767232).
Almost surely, 210931969 is an apocalyptic number.
It is an amenable number.
10931969 is a deficient number, since it is larger than the sum of its proper divisors (1343743).
10931969 is a wasteful number, since it uses less digits than its factorization.
10931969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 496.
The product of its (nonzero) digits is 13122, while the sum is 38.
The square root of 10931969 is about 3306.3528244880. The cubic root of 10931969 is about 221.9385770064.
The spelling of 10931969 in words is "ten million, nine hundred thirty-one thousand, nine hundred sixty-nine".
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