Base | Representation |
---|---|
bin | 111010100000001001001… |
… | …101111010001001001111 |
3 | 112020022221201101222110012 |
4 | 322200021031322021033 |
5 | 1011331424432430111 |
6 | 12314512525503435 |
7 | 563311252265615 |
oct | 72401115721117 |
9 | 15208851358405 |
10 | 4020244030031 |
11 | 130aa80a46aa9 |
12 | 54b197711b7b |
13 | 232151c05628 |
14 | dc81bbc96b5 |
15 | 6e89837b48b |
hex | 3a80937a24f |
4020244030031 has 16 divisors (see below), whose sum is σ = 4442630099904. Its totient is φ = 3618574823424.
The previous prime is 4020244030009. The next prime is 4020244030051. The reversal of 4020244030031 is 1300304420204.
It is a cyclic number.
It is not a de Polignac number, because 4020244030031 - 238 = 3745366123087 is a prime.
It is a super-4 number, since 4×40202440300314 (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4020244029979 and 4020244030006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4020244030051) 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, 1155395 + ... + 3061931.
It is an arithmetic number, because the mean of its divisors is an integer number (277664381244).
Almost surely, 24020244030031 is an apocalyptic number.
4020244030031 is a deficient number, since it is larger than the sum of its proper divisors (422386069873).
4020244030031 is a wasteful number, since it uses less digits than its factorization.
4020244030031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1911970.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 4020244030031 its reverse (1300304420204), we get a palindrome (5320548450235).
The spelling of 4020244030031 in words is "four trillion, twenty billion, two hundred forty-four million, thirty thousand, thirty-one".
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