Base | Representation |
---|---|
bin | 100101011101010011… |
… | …000111111100011111 |
3 | 10211211000000200210210 |
4 | 211131103013330133 |
5 | 1124332310000111 |
6 | 30250554103503 |
7 | 2622455234211 |
oct | 453523077437 |
9 | 124730020723 |
10 | 40220000031 |
11 | 1606a161352 |
12 | 796571ab93 |
13 | 3a3c81ccb3 |
14 | 1d378b85b1 |
15 | 10a5e920a6 |
hex | 95d4c7f1f |
40220000031 has 8 divisors (see below), whose sum is σ = 54036031104. Its totient is φ = 26608651160.
The previous prime is 40220000027. The next prime is 40220000039. The reversal of 40220000031 is 13000002204.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 40220000031 - 22 = 40220000027 is a prime.
It is a super-2 number, since 2×402200000312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40219999971 and 40220000016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40220000039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51170091 + ... + 51170876.
It is an arithmetic number, because the mean of its divisors is an integer number (6754503888).
Almost surely, 240220000031 is an apocalyptic number.
40220000031 is a deficient number, since it is larger than the sum of its proper divisors (13816031073).
40220000031 is a wasteful number, since it uses less digits than its factorization.
40220000031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102341101.
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 40220000031 its reverse (13000002204), we get a palindrome (53220002235).
The spelling of 40220000031 in words is "forty billion, two hundred twenty million, thirty-one", and thus it is an aban number.
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