Base | Representation |
---|---|
bin | 1100101110101… |
… | …01100111000101 |
3 | 21102221001011111 |
4 | 12113111213011 |
5 | 204313444000 |
6 | 14332405021 |
7 | 2434424143 |
oct | 627254705 |
9 | 242831144 |
10 | 106781125 |
11 | 55303270 |
12 | 2b916771 |
13 | 191791c9 |
14 | 10278593 |
15 | 9593cba |
hex | 65d59c5 |
106781125 has 16 divisors (see below), whose sum is σ = 145379520. Its totient is φ = 77658000.
The previous prime is 106781123. The next prime is 106781141. The reversal of 106781125 is 521187601.
It is not a de Polignac number, because 106781125 - 21 = 106781123 is a prime.
It is a super-2 number, since 2×1067811252 = 22804417312531250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106781123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37455 + ... + 40204.
It is an arithmetic number, because the mean of its divisors is an integer number (9086220).
Almost surely, 2106781125 is an apocalyptic number.
It is an amenable number.
106781125 is a deficient number, since it is larger than the sum of its proper divisors (38598395).
106781125 is an equidigital number, since it uses as much as digits as its factorization.
106781125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77685 (or 77675 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 31.
The square root of 106781125 is about 10333.4952944297. The cubic root of 106781125 is about 474.4220116603.
The spelling of 106781125 in words is "one hundred six million, seven hundred eighty-one thousand, one hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •