Base | Representation |
---|---|
bin | 10001001100111011… |
… | …000100110111000001 |
3 | 1202200020100202102211 |
4 | 101030323010313001 |
5 | 300311412032001 |
6 | 12252445142121 |
7 | 1222500004441 |
oct | 211473046701 |
9 | 52606322384 |
10 | 18470424001 |
11 | 7919088a27 |
12 | 36b585a941 |
13 | 198482b693 |
14 | c730c4121 |
15 | 73182d351 |
hex | 44cec4dc1 |
18470424001 has 4 divisors (see below), whose sum is σ = 19442551600. Its totient is φ = 17498296404.
The previous prime is 18470423977. The next prime is 18470424019. The reversal of 18470424001 is 10042407481.
It is a happy number.
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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18470424001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18470424031) 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, 486063771 + ... + 486063808.
It is an arithmetic number, because the mean of its divisors is an integer number (4860637900).
Almost surely, 218470424001 is an apocalyptic number.
It is an amenable number.
18470424001 is a deficient number, since it is larger than the sum of its proper divisors (972127599).
18470424001 is an equidigital number, since it uses as much as digits as its factorization.
18470424001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972127598.
The product of its (nonzero) digits is 7168, while the sum is 31.
The spelling of 18470424001 in words is "eighteen billion, four hundred seventy million, four hundred twenty-four thousand, one".
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