Base | Representation |
---|---|
bin | 10010101010100101… |
… | …01011100110101101 |
3 | 221212101002012212210 |
4 | 21111102223212231 |
5 | 131010322121044 |
6 | 4334210321033 |
7 | 503220126516 |
oct | 112522534655 |
9 | 27771065783 |
10 | 10020895149 |
11 | 4282596931 |
12 | 1b37b89179 |
13 | c39125175 |
14 | 6b0c41a0d |
15 | 3d9b391b9 |
hex | 2554ab9ad |
10020895149 has 4 divisors (see below), whose sum is σ = 13361193536. Its totient is φ = 6680596764.
The previous prime is 10020895141. The next prime is 10020895151. The reversal of 10020895149 is 94159802001.
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.
It is not a de Polignac number, because 10020895149 - 23 = 10020895141 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 (10020895141) 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, 1670149189 + ... + 1670149194.
It is an arithmetic number, because the mean of its divisors is an integer number (3340298384).
Almost surely, 210020895149 is an apocalyptic number.
It is an amenable number.
10020895149 is a deficient number, since it is larger than the sum of its proper divisors (3340298387).
10020895149 is an equidigital number, since it uses as much as digits as its factorization.
10020895149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3340298386.
The product of its (nonzero) digits is 25920, while the sum is 39.
The spelling of 10020895149 in words is "ten billion, twenty million, eight hundred ninety-five thousand, one hundred forty-nine".
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