Base | Representation |
---|---|
bin | 100101100100111101… |
… | …001111001000011111 |
3 | 10212010221210011020022 |
4 | 211210331033020133 |
5 | 1130113202330111 |
6 | 30311423542355 |
7 | 2625605264366 |
oct | 454475171037 |
9 | 125127704208 |
10 | 40348480031 |
11 | 16125735272 |
12 | 79a075a9bb |
13 | 3a60325972 |
14 | 1d4a9a07dd |
15 | 10b23c02db |
hex | 964f4f21f |
40348480031 has 2 divisors, whose sum is σ = 40348480032. Its totient is φ = 40348480030.
The previous prime is 40348479991. The next prime is 40348480049. The reversal of 40348480031 is 13008484304.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 40348480031 - 234 = 23168610847 is a prime.
It is a super-2 number, since 2×403484800312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40348479973 and 40348480000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40348480231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20174240015 + 20174240016.
It is an arithmetic number, because the mean of its divisors is an integer number (20174240016).
Almost surely, 240348480031 is an apocalyptic number.
40348480031 is a deficient number, since it is larger than the sum of its proper divisors (1).
40348480031 is an equidigital number, since it uses as much as digits as its factorization.
40348480031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36864, while the sum is 35.
The spelling of 40348480031 in words is "forty billion, three hundred forty-eight million, four hundred eighty thousand, thirty-one".
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