Base | Representation |
---|---|
bin | 100100101011101… |
… | …0101101000101101 |
3 | 10011210001220020011 |
4 | 1021113111220231 |
5 | 10010044322301 |
6 | 322045253221 |
7 | 42334043446 |
oct | 11127255055 |
9 | 3153056204 |
10 | 1230854701 |
11 | 58187039a |
12 | 2a4264211 |
13 | 1680084bb |
14 | b96822cd |
15 | 730d2a51 |
hex | 495d5a2d |
1230854701 has 4 divisors (see below), whose sum is σ = 1233065052. Its totient is φ = 1228644352.
The previous prime is 1230854687. The next prime is 1230854707. The reversal of 1230854701 is 1074580321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1074580321 = 19 ⋅56556859.
It can be written as a sum of positive squares in 2 ways, for example, as 93141801 + 1137712900 = 9651^2 + 33730^2 .
It is a cyclic number.
It is not a de Polignac number, because 1230854701 - 211 = 1230852653 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 (1230854707) 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, 1104340 + ... + 1105453.
It is an arithmetic number, because the mean of its divisors is an integer number (308266263).
Almost surely, 21230854701 is an apocalyptic number.
It is an amenable number.
1230854701 is a deficient number, since it is larger than the sum of its proper divisors (2210351).
1230854701 is an equidigital number, since it uses as much as digits as its factorization.
1230854701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2210350.
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 1230854701 is about 35083.5388893424. The cubic root of 1230854701 is about 1071.6893861927.
The spelling of 1230854701 in words is "one billion, two hundred thirty million, eight hundred fifty-four thousand, seven hundred one".
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