Base | Representation |
---|---|
bin | 101001111000… |
… | …101011011101 |
3 | 202122211210221 |
4 | 221320223131 |
5 | 10302330221 |
6 | 1031201341 |
7 | 162220561 |
oct | 51705335 |
9 | 22584727 |
10 | 10980061 |
11 | 621a534 |
12 | 3816251 |
13 | 23759a1 |
14 | 165b6a1 |
15 | e6d541 |
hex | a78add |
10980061 has 4 divisors (see below), whose sum is σ = 11160124. Its totient is φ = 10800000.
The previous prime is 10980059. The next prime is 10980071. The reversal of 10980061 is 16008901.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6095961 + 4884100 = 2469^2 + 2210^2 .
It is a 5-Lehmer number, since φ(10980061) divides (10980061-1)5.
It is a cyclic number.
It is not a de Polignac number, because 10980061 - 21 = 10980059 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10980071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89940 + ... + 90061.
It is an arithmetic number, because the mean of its divisors is an integer number (2790031).
Almost surely, 210980061 is an apocalyptic number.
It is an amenable number.
10980061 is a deficient number, since it is larger than the sum of its proper divisors (180063).
10980061 is an equidigital number, since it uses as much as digits as its factorization.
10980061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180062.
The product of its (nonzero) digits is 432, while the sum is 25.
The square root of 10980061 is about 3313.6175096109. The cubic root of 10980061 is about 222.2635522109.
Adding to 10980061 its reverse (16008901), we get a palindrome (26988962).
The spelling of 10980061 in words is "ten million, nine hundred eighty thousand, sixty-one".
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