Base | Representation |
---|---|
bin | 11011000111100001000… |
… | …00111100010100010010 |
3 | 10022002000010102211201101 |
4 | 31203300200330110102 |
5 | 110231210003302232 |
6 | 1552012243255014 |
7 | 124213405126612 |
oct | 15436040742422 |
9 | 3262003384641 |
10 | 931748103442 |
11 | 32a174571912 |
12 | 1306b467a46a |
13 | 69b2c070830 |
14 | 3314da78a42 |
15 | 1938485c1e7 |
hex | d8f083c512 |
931748103442 has 16 divisors (see below), whose sum is σ = 1518940102680. Its totient is φ = 426092285952.
The previous prime is 931748103427. The next prime is 931748103449. The reversal of 931748103442 is 244301847139.
It is a Cunningham number, because it is equal to 9652712+1.
It can be written as a sum of positive squares in 4 ways, for example, as 899160994081 + 32587109361 = 948241^2 + 180519^2 .
It is a junction number, because it is equal to n+sod(n) for n = 931748103392 and 931748103401.
It is not an unprimeable number, because it can be changed into a prime (931748103449) 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 7 ways as a sum of consecutive naturals, for example, 164384623 + ... + 164390290.
Almost surely, 2931748103442 is an apocalyptic number.
931748103442 is a deficient number, since it is larger than the sum of its proper divisors (587191999238).
931748103442 is a wasteful number, since it uses less digits than its factorization.
931748103442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328775037.
The product of its (nonzero) digits is 580608, while the sum is 46.
The spelling of 931748103442 in words is "nine hundred thirty-one billion, seven hundred forty-eight million, one hundred three thousand, four hundred forty-two".
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