Base | Representation |
---|---|
bin | 110000011010110010… |
… | …0101101110001110010 |
3 | 100221101102000022121012 |
4 | 1200311210231301302 |
5 | 3200421334012432 |
6 | 115433350030522 |
7 | 10340446456100 |
oct | 1406544556162 |
9 | 327342008535 |
10 | 103978032242 |
11 | 40107985657 |
12 | 1819a048442 |
13 | 9a60a0c186 |
14 | 50654d6c70 |
15 | 2a885c0cb2 |
hex | 183592dc72 |
103978032242 has 18 divisors (see below), whose sum is σ = 181436626413. Its totient is φ = 44560645752.
The previous prime is 103978032227. The next prime is 103978032251. The reversal of 103978032242 is 242230879301.
It can be written as a sum of positive squares in 2 ways, for example, as 60909746401 + 43068285841 = 246799^2 + 207529^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=228011.
It is a super-2 number, since 2×1039780322422 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103978032242.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3175868 + ... + 3208440.
Almost surely, 2103978032242 is an apocalyptic number.
103978032242 is a deficient number, since it is larger than the sum of its proper divisors (77458594171).
103978032242 is an frugal number, since it uses more digits than its factorization.
103978032242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65162 (or 32582 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 41.
The spelling of 103978032242 in words is "one hundred three billion, nine hundred seventy-eight million, thirty-two thousand, two hundred forty-two".
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