Base | Representation |
---|---|
bin | 101010011010001… |
… | …0110101101100101 |
3 | 10200011122102122120 |
4 | 1110310112231211 |
5 | 10403242320121 |
6 | 353112020153 |
7 | 50156251062 |
oct | 12464265545 |
9 | 3604572576 |
10 | 1423010661 |
11 | 670285a76 |
12 | 338691659 |
13 | 198a77357 |
14 | d6dc1c69 |
15 | 84ddcbc6 |
hex | 54d16b65 |
1423010661 has 16 divisors (see below), whose sum is σ = 1919702400. Its totient is φ = 937525248.
The previous prime is 1423010629. The next prime is 1423010663. The reversal of 1423010661 is 1660103241.
It is not a de Polignac number, because 1423010661 - 25 = 1423010629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1423010663) 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, 220600 + ... + 226958.
It is an arithmetic number, because the mean of its divisors is an integer number (119981400).
Almost surely, 21423010661 is an apocalyptic number.
It is an amenable number.
1423010661 is a deficient number, since it is larger than the sum of its proper divisors (496691739).
1423010661 is an equidigital number, since it uses as much as digits as its factorization.
1423010661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7228.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 1423010661 is about 37722.8135350480. The cubic root of 1423010661 is about 1124.7846596230.
The spelling of 1423010661 in words is "one billion, four hundred twenty-three million, ten thousand, six hundred sixty-one".
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