Base | Representation |
---|---|
bin | 10011100111010100… |
… | …11010000010010001 |
3 | 1000011212212022211110 |
4 | 21303222122002101 |
5 | 133031242243441 |
6 | 4500531403533 |
7 | 521645121240 |
oct | 116352320221 |
9 | 30155768743 |
10 | 10530431121 |
11 | 4514176841 |
12 | 205a7535a9 |
13 | cba868842 |
14 | 71c79a957 |
15 | 419737b16 |
hex | 273a9a091 |
10530431121 has 16 divisors (see below), whose sum is σ = 16419544064. Its totient is φ = 5877449424.
The previous prime is 10530431099. The next prime is 10530431141. The reversal of 10530431121 is 12113403501.
It is not a de Polignac number, because 10530431121 - 25 = 10530431089 is a prime.
It is a super-2 number, since 2×105304311212 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (10530431141) 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, 5829901 + ... + 5831706.
It is an arithmetic number, because the mean of its divisors is an integer number (1026221504).
Almost surely, 210530431121 is an apocalyptic number.
It is an amenable number.
10530431121 is a deficient number, since it is larger than the sum of its proper divisors (5889112943).
10530431121 is a wasteful number, since it uses less digits than its factorization.
10530431121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11661660.
The product of its (nonzero) digits is 360, while the sum is 21.
Adding to 10530431121 its reverse (12113403501), we get a palindrome (22643834622).
The spelling of 10530431121 in words is "ten billion, five hundred thirty million, four hundred thirty-one thousand, one hundred twenty-one".
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