Base | Representation |
---|---|
bin | 10010101010010101… |
… | …01000010110110010 |
3 | 221212020002222212122 |
4 | 21111022220112302 |
5 | 131004302102230 |
6 | 4334053154242 |
7 | 503163156545 |
oct | 112512502662 |
9 | 27766088778 |
10 | 10018784690 |
11 | 4281385252 |
12 | 1b3732b982 |
13 | c38866685 |
14 | 6b085285c |
15 | 3d986dbe5 |
hex | 2552a85b2 |
10018784690 has 16 divisors (see below), whose sum is σ = 18339471360. Its totient is φ = 3939589680.
The previous prime is 10018784681. The next prime is 10018784717. The reversal of 10018784690 is 9648781001.
It is a super-2 number, since 2×100187846902 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8489906 + ... + 8491085.
It is an arithmetic number, because the mean of its divisors is an integer number (1146216960).
Almost surely, 210018784690 is an apocalyptic number.
10018784690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10018784690 is a deficient number, since it is larger than the sum of its proper divisors (8320686670).
10018784690 is a wasteful number, since it uses less digits than its factorization.
10018784690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16981057.
The product of its (nonzero) digits is 96768, while the sum is 44.
The spelling of 10018784690 in words is "ten billion, eighteen million, seven hundred eighty-four thousand, six hundred ninety".
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