Base | Representation |
---|---|
bin | 10010101010010000… |
… | …10110110100001001 |
3 | 221212011222201010111 |
4 | 21111020112310021 |
5 | 131004124013203 |
6 | 4334032314321 |
7 | 503155124542 |
oct | 112510266411 |
9 | 27764881114 |
10 | 10018188553 |
11 | 428100837a |
12 | 1b370a29a1 |
13 | c386b8229 |
14 | 6b07394c9 |
15 | 3d97a226d |
hex | 255216d09 |
10018188553 has 8 divisors (see below), whose sum is σ = 10661342472. Its totient is φ = 9381017856.
The previous prime is 10018188529. The next prime is 10018188569. The reversal of 10018188553 is 35588181001.
It can be written as a sum of positive squares in 4 ways, for example, as 8636356624 + 1381831929 = 92932^2 + 37173^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10018188553 - 29 = 10018188041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10018180553) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492350 + ... + 1499047.
It is an arithmetic number, because the mean of its divisors is an integer number (1332667809).
Almost surely, 210018188553 is an apocalyptic number.
It is an amenable number.
10018188553 is a deficient number, since it is larger than the sum of its proper divisors (643153919).
10018188553 is a wasteful number, since it uses less digits than its factorization.
10018188553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2991611.
The product of its (nonzero) digits is 38400, while the sum is 40.
The spelling of 10018188553 in words is "ten billion, eighteen million, one hundred eighty-eight thousand, five hundred fifty-three".
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