Base | Representation |
---|---|
bin | 10010101100111010… |
… | …01100110111000101 |
3 | 221220201211200200120 |
4 | 21112131030313011 |
5 | 131030322230041 |
6 | 4340145132153 |
7 | 503545150506 |
oct | 112635146705 |
9 | 27821750616 |
10 | 10040430021 |
11 | 4292619756 |
12 | 1b4262a059 |
13 | c401a496b |
14 | 6b3688bad |
15 | 3db6e7366 |
hex | 25674cdc5 |
10040430021 has 8 divisors (see below), whose sum is σ = 13417736640. Its totient is φ = 6678371712.
The previous prime is 10040430013. The next prime is 10040430041. The reversal of 10040430021 is 12003404001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10040430021 - 23 = 10040430013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10040430041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810540 + ... + 3813173.
It is an arithmetic number, because the mean of its divisors is an integer number (1677217080).
Almost surely, 210040430021 is an apocalyptic number.
It is an amenable number.
10040430021 is a deficient number, since it is larger than the sum of its proper divisors (3377306619).
10040430021 is an equidigital number, since it uses as much as digits as its factorization.
10040430021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7624155.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 10040430021 its reverse (12003404001), we get a palindrome (22043834022).
The spelling of 10040430021 in words is "ten billion, forty million, four hundred thirty thousand, twenty-one".
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