Base | Representation |
---|---|
bin | 101001001111… |
… | …101011111011 |
3 | 202100022111012 |
4 | 221033223323 |
5 | 10231442110 |
6 | 1023424135 |
7 | 160621214 |
oct | 51175373 |
9 | 22308435 |
10 | 10812155 |
11 | 6115372 |
12 | 375504b |
13 | 2317433 |
14 | 161640b |
15 | e38905 |
hex | a4fafb |
10812155 has 8 divisors (see below), whose sum is σ = 13034112. Its totient is φ = 8610048.
The previous prime is 10812143. The next prime is 10812167. The reversal of 10812155 is 55121801.
10812155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (10812143) and next prime (10812167).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10812155 - 26 = 10812091 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10812155.
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, 3734 + ... + 5963.
It is an arithmetic number, because the mean of its divisors is an integer number (1629264).
Almost surely, 210812155 is an apocalyptic number.
10812155 is a deficient number, since it is larger than the sum of its proper divisors (2221957).
10812155 is an equidigital number, since it uses as much as digits as its factorization.
10812155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9925.
The product of its (nonzero) digits is 400, while the sum is 23.
The square root of 10812155 is about 3288.1841493444. The cubic root of 10812155 is about 221.1247836484.
Adding to 10812155 its reverse (55121801), we get a palindrome (65933956).
The spelling of 10812155 in words is "ten million, eight hundred twelve thousand, one hundred fifty-five".
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