Base | Representation |
---|---|
bin | 100101010001000010… |
… | …100101001101110001 |
3 | 10211021200000221000002 |
4 | 211101002211031301 |
5 | 1123422132240011 |
6 | 30214330035345 |
7 | 2614410152201 |
oct | 452102451561 |
9 | 124250027002 |
10 | 40014336881 |
11 | 15a74060602 |
12 | 7908878b55 |
13 | 3a0903211c |
14 | 1d18460401 |
15 | 1092db9c3b |
hex | 9510a5371 |
40014336881 has 2 divisors, whose sum is σ = 40014336882. Its totient is φ = 40014336880.
The previous prime is 40014336863. The next prime is 40014336907. The reversal of 40014336881 is 18863341004.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 37595271025 + 2419065856 = 193895^2 + 49184^2 .
It is a cyclic number.
It is not a de Polignac number, because 40014336881 - 214 = 40014320497 is a prime.
It is a super-2 number, since 2×400143368812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (40014326881) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007168440 + 20007168441.
It is an arithmetic number, because the mean of its divisors is an integer number (20007168441).
Almost surely, 240014336881 is an apocalyptic number.
It is an amenable number.
40014336881 is a deficient number, since it is larger than the sum of its proper divisors (1).
40014336881 is an equidigital number, since it uses as much as digits as its factorization.
40014336881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 55296, while the sum is 38.
Adding to 40014336881 its reverse (18863341004), we get a palindrome (58877677885).
The spelling of 40014336881 in words is "forty billion, fourteen million, three hundred thirty-six thousand, eight hundred eighty-one".
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