Base | Representation |
---|---|
bin | 11101010000000111… |
… | …001000001111001111 |
3 | 10000001221020020010100 |
4 | 131100013020033033 |
5 | 1003311124121403 |
6 | 22232355542143 |
7 | 2161224353226 |
oct | 352007101717 |
9 | 100057206110 |
10 | 31408817103 |
11 | 12358505194 |
12 | 61068ba953 |
13 | 2c6720cba1 |
14 | 173d5b3cbd |
15 | c3c6612a3 |
hex | 7501c83cf |
31408817103 has 24 divisors (see below), whose sum is σ = 47766541680. Its totient is φ = 19832808960.
The previous prime is 31408817093. The next prime is 31408817149. The reversal of 31408817103 is 30171880413.
It is not a de Polignac number, because 31408817103 - 210 = 31408816079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31408817173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882175 + ... + 917087.
It is an arithmetic number, because the mean of its divisors is an integer number (1990272570).
Almost surely, 231408817103 is an apocalyptic number.
31408817103 is a deficient number, since it is larger than the sum of its proper divisors (16357724577).
31408817103 is a wasteful number, since it uses less digits than its factorization.
31408817103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40199 (or 40196 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The spelling of 31408817103 in words is "thirty-one billion, four hundred eight million, eight hundred seventeen thousand, one hundred three".
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