Base | Representation |
---|---|
bin | 10010101010110111… |
… | …00101111000101101 |
3 | 221212112110220002120 |
4 | 21111123211320231 |
5 | 131011421343041 |
6 | 4334332343153 |
7 | 503246025606 |
oct | 112533457055 |
9 | 27775426076 |
10 | 10023231021 |
11 | 4283941901 |
12 | 1b38914ab9 |
13 | c3976243b |
14 | 6b128cdad |
15 | 3d9e4b366 |
hex | 2556e5e2d |
10023231021 has 8 divisors (see below), whose sum is σ = 13563775584. Its totient is φ = 6582420240.
The previous prime is 10023231007. The next prime is 10023231061. The reversal of 10023231021 is 12013232001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10023231021 - 29 = 10023230509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10023231061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24933210 + ... + 24933611.
It is an arithmetic number, because the mean of its divisors is an integer number (1695471948).
Almost surely, 210023231021 is an apocalyptic number.
It is an amenable number.
10023231021 is a deficient number, since it is larger than the sum of its proper divisors (3540544563).
10023231021 is an equidigital number, since it uses as much as digits as its factorization.
10023231021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49866891.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 10023231021 its reverse (12013232001), we get a palindrome (22036463022).
The spelling of 10023231021 in words is "ten billion, twenty-three million, two hundred thirty-one thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •