Base | Representation |
---|---|
bin | 1110111010101000… |
… | …1100110101010111 |
3 | 101100001022022022122 |
4 | 3232222030311113 |
5 | 31200013240043 |
6 | 1501152250155 |
7 | 201136531034 |
oct | 35652146527 |
9 | 11301268278 |
10 | 4004040023 |
11 | 17751a3595 |
12 | 938b4095b |
13 | 4ba707569 |
14 | 29dac638b |
15 | 1867c2368 |
hex | eea8cd57 |
4004040023 has 8 divisors (see below), whose sum is σ = 4025788416. Its totient is φ = 3982318200.
The previous prime is 4004040017. The next prime is 4004040043. The reversal of 4004040023 is 3200404004.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4004040023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4004039983 and 4004040010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4004040013) 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, 345188 + ... + 356598.
It is an arithmetic number, because the mean of its divisors is an integer number (503223552).
Almost surely, 24004040023 is an apocalyptic number.
4004040023 is a deficient number, since it is larger than the sum of its proper divisors (21748393).
4004040023 is a wasteful number, since it uses less digits than its factorization.
4004040023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13285.
The product of its (nonzero) digits is 384, while the sum is 17.
The square root of 4004040023 is about 63277.4843289459. The cubic root of 4004040023 is about 1587.9353002073.
Adding to 4004040023 its reverse (3200404004), we get a palindrome (7204444027).
The spelling of 4004040023 in words is "four billion, four million, forty thousand, twenty-three".
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