Base | Representation |
---|---|
bin | 101001011010… |
… | …101000110101 |
3 | 202102121000121 |
4 | 221122220311 |
5 | 10234411023 |
6 | 1024411541 |
7 | 161166046 |
oct | 51325065 |
9 | 22377017 |
10 | 10857013 |
11 | 6146042 |
12 | 3776bb1 |
13 | 233198b |
14 | 16288cd |
15 | e46d5d |
hex | a5aa35 |
10857013 has 4 divisors (see below), whose sum is σ = 10914048. Its totient is φ = 10799980.
The previous prime is 10857001. The next prime is 10857017. The reversal of 10857013 is 31075801.
10857013 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31075801 = 1013 ⋅30677.
It is a cyclic number.
It is not a de Polignac number, because 10857013 - 217 = 10725941 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 (10857017) 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, 28231 + ... + 28612.
It is an arithmetic number, because the mean of its divisors is an integer number (2728512).
Almost surely, 210857013 is an apocalyptic number.
It is an amenable number.
10857013 is a deficient number, since it is larger than the sum of its proper divisors (57035).
10857013 is an equidigital number, since it uses as much as digits as its factorization.
10857013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57034.
The product of its (nonzero) digits is 840, while the sum is 25.
The square root of 10857013 is about 3294.9981790587. The cubic root of 10857013 is about 221.4301661646.
It can be divided in two parts, 108 and 57013, that added together give a square (57121 = 2392).
The spelling of 10857013 in words is "ten million, eight hundred fifty-seven thousand, thirteen".
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